Serendipity Strikes!! & Join Me in Seattle

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Join me in Seattle on August 10, 2014 for a talk I’ll be giving on “Luscious Landscaping — With Fruiting Trees, Shrubs, and Vines!”. Luscious landscaping is the way to beautify your yard and, at the same time, to put (very) local, healthful, flavorful food on the table. Following the lecture, we will explore the gardens at Magnuson Park. For more information about this event, go to http://leereich.brownpapertickets.com.

Ice Cream for Poppies

I first learned the word “serendipity” when I was in junior high school; it was the clever name of an ice cream shop that my parents had come upon in New York City. I’ve been on the lookout for it ever since: the word, not the shop. And I find it, occasionally, in the garden.

Like yesterday, for instance. Last March I sprinkled corn poppy (Papaver rhoeas) seeds on a flower bed that’s also home to espaliered Asian pears and a plum tree. Looking down at the dust-like seeds in the palm of my hand, it would have been hard to imagine that they could ever amount to anything. Especially since I did nothing more than sprinkle them on top of the ground, the whole packet.

But the seeds did amount to something, to more than just something, to oodles and oodles of two-foot-long stems capped by orangish red blossoms. The color is similar to that of Oriental poppies (P. orientale), but corn poppy flowers are smaller and more delicate, “all silk and flame,” to quote John Ruskin. Not exactly a serendipitous planting because I did, after all, sow the seeds. But I could hardly have predicted the exuberant response.

Fenced in red poppies in front of espaliered pears

In amongst other plants, the flowers are held high. At the front edge of the bed, though, the dainty heads flop down on the lawn. Which would be okay, except that it would be a shame to mow those silky blossoms when mowing the lawn at the bed’s edge.  Likewise, it would be a shame to let the grass grow unfettered up around and hiding the blossoms. Too messy.

So yesterday I propped the floppy plants up with a fence. Nothing fancy or permanent, just five short bamboo canes pushed into the ground about eight feet apart as posts. The crosspieces, four long bamboo canes each slid along the lawn beneath the flowers, were then lifted and lashed to the short canes a foot above the ground.

Serendipity. Not only are the flowers up off the ground but the bamboo “fence,” simple as it is, greatly improved the appearance of the bed, visually defining it to better highlight the plants.

Tea Crabs into a Tea Hedge, with a Doorway

My most serendipitous planting was many, many years ago, of tea crabapples (Malus hupehensis). I was using these plants for research when I was working for Cornell University. I needed clones, and tea crabapple has the quirk of apomixis, which means that its seeds do not reflect the sexual union of pollen with egg cells; the seeds are formed only from mother tissue so grow into clones of each other and the mother plant.

Privet hedge melding into tea crabapple hedge

Privet hedge melding into tea crabapple hedge

Starting many tea crabapples from seed left me with extra plants, so I took eight home and planted them in a tight row, with only a couple of feet between plants, along and about five feet from the back edge of my garage/barn. What was I thinking? Tea crabapple can grow 40 feet high and wide!

As the plants grew, I sheared them into a hedge 10 feet high and 4 feet wide. After a few years, I put a rear, sliding door on the back of the garage/barn. Rather than walk out that door into a tree, I cut out one of the crabapples, and sheared a living doorway through the row of remaining trees.

I subsequently planted a privet hedge that runs perpendicular to the north edge of the crabapple hedge. Because the privet hedge is only about 3-feet-high, I decided to meld it with the crabapple hedge by letting it swoop upwards at their meeting. Access was needed through the privet hedge also, so another arch was created, this one higher and wider to let my tractor pass through.

It’s all very playful and, to me, pretty. And it all started with a mindless planting of extra tea crabapples.

Shearing Easily

The height and length of these hedges present maintenance challenges. Years ago, scissoring hedge shears made the work pleasant but very slow. The top of the crab hedge demanded my climbing a ladder and swinging a shearing knife — a dangerous proposition.

Shearing my tall hedge with Black & Decker pole pruner

Black & Decker pole pruner makes me taller

Technology has come to the rescue. Nowadays both hedges are kept trim and neat with two tools, both powered by 20 volt lithium batteries. What I can reach gets clipped with a Black & Decker battery powered hedge trimmer. Thanks to my Black & Decker battery powered pole hedge trimmer, the 10-foot-high hedge no longer demands a ladder. The trimmer’s articulating head makes it easy to give the upper sides a 45 degree cut and then, after repositioning the blades at 90 degrees, to make a flat cut along the top of the hedge.

The pole trimmer is especially important for making it convenient to cut high up on a hedge, the part most likely to be neglected especially on tall hedges. Hormones within every plant favor most vigorous growth highest up in the plant. So the top of the hedge, left to its own devices, would naturally overgrow the lower portions, leading to shading and bare branches lower down. Keeping the upper part of the hedge narrower than the bottom counteracts this tendency.

“In Lee’s Garden Now” has a New Home!

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You can now find “In Lee’s Garden Now” right here on my website:

https://leereich.com/blog

You’ll find that all of the posts are still here, and new material will be coming online each week as always. If you subscribe by email, you should continue to receive notices of new blog posts. (If you don’t subscribe yet, now would be a great time! Just enter your email address in the sidebar form.)

While you’re here on my website, be sure to check out all of the other ways that you can find information about gardening and tips for your own garden, farm or “farmden”.

Please be sure to bookmark my blog’s new location!
( https://leereich.com/blog )

Potted alpine strawberries

Talking Fruits & Pleasant Aromas

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UPCOMING LECTURES BY LEE REICH:

August 6, 2014, “Trials, tribulations, and rewards of growing fruit” meeting of Home Orchard Society (www.homeorchardsociety.org/), North American Fruit Explorers (www.nafex.org), and California Rare Fruit Growers (www.crfg.org) Conference, Troutdale, OR.

August 9, 2014, “Uncommon Fruits for Every Garden” and espalier tour, Western Washington Fruit Research Foundation (www.nwfruit.org), Mt. Vernon, WA.

August 10, 2014, “Luscious Landscaping — With Fruits!” sponsored by City Fruit, Bradner Gardens, Plant Amnesty, Seattle Fruit Tree Society, and the Washington Association of Landscape Professionals, http://leereich.brownpapertickets.com, Warren G. Magnuson Park, Seattle, WA. 

Earliglo strawberries are on the wane. Time to move on to other fruits, still strawberries but very different strawberries in all respect. Alpine strawberries. The largest of them are the size of a nickel but each packs the flavor of a silver-dollar sized berry.

Alpine strawberry is one botanical form of wood strawberry (Fragaria vesca, often referred to by the French name, fraise de bois), a different species from the familiar garden strawberry. Wood strawberries are dainty plants that grow wild along the edges of woods in Europe, North and South America, and northern Asia and Africa. This is the wild strawberry of antiquity, mentioned in the writings of Virgil, Ovid, and Pliny, the strawberry that garlanded medieval religious paintings and was later depicted in grand proportions in Bosch’s Garden of Delights (c. 1500).
‘Pineapple Crush’ white alpine strawberries
The alpine form of wood strawberry was discovered about three hundred years ago east of Grenoble in the low Alps. It soon surpassed other wood strawberries in popularity because of its fruits are larger and borne continuously throughout the growing season, and because the plants do not make runners. I’ve even coaxed them to bear fruit in small (4-inch) flowerpots.
Some alpine strawberries bear white fruits, and those are the ones I grow, for two reasons. First, the flavor, sweet and pineapple-y, is better than the red ones. And second, being white, the birds don’t notice them so I can wait to harvest until they are dead ripe and delicious. All season long.
That same leisurely harvest is not possible with another uncommon fruit that’s just starting to ripen. Gumis (Elaeagnus multiflora) have a pleasant, tart flavor with a bit of astringency. More than a bit until they are thorough ripe. The variety I planted, Sweet Scarlet (from www.onegreenworld.com) may be a tad sweeter than run-of-the-mill varieties.
The three-quarters-inch-long gumi fruits, scarlet red and speckled with silver, make a striking picture as they dangle on long stalks from the undersides of the branches. Birds also find the fruits very attractive. I’ve grown gumi for many years and last year was the only year in which I was able to harvest gumis ripe and in quantity. That was the one benefit of last summer’s invasion of cicadas, which birds evidently found more luscious than gums.
Cicadas or not, I’ll keep growing gumis. The large shrubs are able to garner nitrogen from the air, the leaves have an attractive silvery sheen that contrasts beautifully with the scarlet fruits, and the flowers perfume the air with a sweet aroma.
Perhaps the birds will leave me a few fruits to enjoy.
Read and learn more about alpine strawberries and gumis in my book Uncommon Fruits for Every Garden (2004).
Let’s segue from tongue to nose and eyes. For years I’ve grown various David Austin roses with increasing success, the increase due to Mr. Austin’s breeding increasingly better roses rather than to my increased skill as a rosarian. It’s cold here on the farmden, and cold is what usually weakened or did in the roses.
My attraction specifically for David Austin Roses lies in the full bodied bushes, their pest resistance, and — most important — the old-fashioned shapes (often rounded or cup-shaped), colors (often pastels), and fragrances of their blossoms.
‘L. D. Braithewaite’ rose
‘Strawberry Hill’ rose
Last winter was brutal for many plants, roses included. Yet the variety L. D. Braithwaite rose, planted in an unprotected location just outside the vegetable garden, weathered the cold unscathed. It is now drenched in deep red blossoms against a background of reddish leaves. The variety Charlotte didn’t fare so well. It was killed to the ground, perhaps lower; I dug it up.
The variety Strawberry Hill suffered some dieback despite protection afforded by the south-facing brick wall of my house. I’m glad I didn’t trash this bush because it’s also now covered with blossoms — flat-topped cups of pink petals that emit a sweet, almost candy-like fragrance. Delicious!
And more good scents: Catalpa. Although native to a relatively small area in the Midwest, catalpa can now be found throughout the East and as far west as Utah. And it’s spreading.
But let me first backtrack to a few years ago at the local farmers’ market. One farmer had buckets filled with white blossoms that rivalled orchids. I looked and looked at them, trying to figure out what they were, then finally asked. I was embarrassed to learn that they were catalpa blossoms, which I’ve admired for decades but always from afar and with their surrounding cloaks of large leaves.
This year I decided to cut some blossoms, strip off the leaves, and put them in a vase. And that’s when their delectable scent was fully revealed.
By the time you read this, catalpa’s will have finished blossoming. Mark your calendars for next year.

Chickens & Gooseberries, A Bad Combination

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Chickens, Gooseberries, Rose Pruning & Asparagus

Good gardening is not religion. Balancing and rebalancing is what’s needed, not the constraints of dogma. You want to garden naturally? Dogma would dictate doing nothing, in which case you wouldn’t have a garden. You want to grow only native plants? Then forget about tomatoes, apples, and tulips. And are the plants you want to grow truly native on your “back forty,” or down the road where the soil is slightly wetter in summer?
Gooseberries and chickens are what turned my thoughts to the need for balance today. I grow over a dozen varieties of gooseberries, dessert gooseberries with flavors akin to those of grape, plum, and apricot. I also “grow” seven Bantam chickens; they provide decoration, insect control, eggs, and some degree of entertainment.
On the downside, chickens’ scratching in my garden beds in search of insects and seeds messes up what could be a very neat and orderly space. (Or, looked at in a more positive light, the chickens’ scratching adds a cottage-y blowsiness to the scene.) A four-foot-high fence surrounding the two vegetable gardens keeps out the chickens and those gardens productive. An eighteen-inch-high fence around some other garden areas was meant to, if not to definitely keep the poultry out of those areas, at least to make them do their own balancing, weighing the benefit of entering the fenced area against having to vault the fence. (Clipped wings tips the balance somewhat more in favor of not vaulting the fence, but not enough.)
A few days ago I noticed that this year’s especially good crop of gooseberries in the making were no longer in the making; most were gone. Gooseberries rarely suffer from late frost, at least here, so that could not be the reason. Gooseberries do not need cross-pollination, and, anyway, I have plenty of varieties for cross-pollination and bumblebees were buzzing all over the bushes in bloom. So pollination issues could not be the problem either.
Chicken and young, gooseberry bandits
I lay blame for the paltry crop of gooseberries squarely on the shoulders of the chickens, who have been hopping the low fence around the planting for weeks. Mostly, they seemed to be scratching the ground beneath and around the gooseberry plants but I wouldn’t put it past them to help themselves to berries also.
So, what to do? Putting a four-foot-high fence around the gooseberry beds would keep the chickens at bay but, with all the other fencing here, the scene could begin to look like a prison. The chickens could become soup. Or I could allow the chickens their indulgence.
Another balancing act: Roses, now in bloom, look great either on the plant or in a vase. For roses that bloom all season long, cutting the blossoms coaxes new ones forth. A win-win situation. Except that towards the end of the season, it’s best that plants get ready for winter by slowing down and toughening up. Letting rose blossoms remain on the plant and go on to make fruits — rose hips — helps slow them down.
A couple of weeks ago, a visitor looking at my asparagus patch commented on how nice it was that I still had asparagus to harvest. Of course asparagus was still coming on strong; it was only early June!Balance again.

<“>Asparagus is a perennial vegetable whose spring spears are fueled by energy stored over winter in the plants’ roots. For a good asparagus harvest, the goal is to balance spear harvest against the plants’ need to pack away extra energy, created by photosynthesis, in their roots.

Greenery is needed for photosynthesis. If spears are harvested all season long or even for too much of the season, roots are left with insufficient energy reserves going into winter. The result: Plants either die or push forth few, spindly spears the following spring.
So the tack is to harvest for a period in spring short enough to let plants start packing away fuel for winter and the following spring. A good balance is struck by allowing about eight weeks for harvest. After the end of June, spears emerge and then unfold into those ferny fronds which, left untouched until they turn brown in autumn, have time to create energy and store away energy in the roots for another eight weeks of harvest the following year.
With warm weather, asparagus needs to be harvest every couple of days or so. At each harvest, I cut down each and every spear, including those that are too skinny for eating or those that escaped previous harvest and have begun to unfold ferny foliage. Thorough harvest not only keeps new, fat spears emerging but also helps control asparagus beetles. These beetles feed on those early emerging spears. Cut all the spears early in the season and the beetles starve.
If you have never seen the beetles, look on the spears for small, black specks. Those are beetle eggs. Just wipe or hose them off, or go ahead and eat them with the spears. Asparagus and eggs is a classic combination — admittedly, the eggs for this combination are chicken eggs. Perhaps the chickens should stay.

Of Poppies, Snow, & Herbicides

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Oriental poppies, now in bloom with large, floppy, flaming red blossoms, are worth ooh-ing and ah-ing about. Likewise for Snow in Summer (Cerastium tomentosum), with small gray-green leaves and small white flowers, except that too few people know or grow this plant.  Here, the two plants look especially congenial together with Snow in Summer hugging the ground at the feet of the poppies and spilling over the rock wall that supports the bed in which these plants grow.
 No skill is needed to grow Snow in Summer, or to propagate it. Plant it and it will spread, rooting as it creeps but never with frightening speed.

Alas, the show from either plant is all too transient. Poppy foliage is soon to yellow and melt slowly back into the ground. And by the time you read this, blossoms of Snow in Summer will have tapered off and its leaves will have lost their exuberance of spring. The show’s transience makes it all the more appreciated.

A narrow, yellow strip of vegetation — dead vegetation —  sits at the bottom of the rock wall supporting the poppy and Snow in Summer bed (also home to espaliered pears, rugose rose, alliums, and other perennials) and at the its upper border with lawn. I can’t say that I’m proud of the yellowing strips of lawn and weeds, but the weedkiller I applied is very effective at keeping errant weeds and grass out of beds, paths, from climbing the rock wall and growing in between bricks of my terrace, and away from the bases of young trees. Weedkiller??!!
Yes, I am spraying weedkiller . . . but the weedkiller I’m spraying is very benign. I take straight household vinegar, which is 5 to 6 percent acetic acid, and add to it, per gallon, 2 tablespoons of canola oil and 1 tablespoon of dish detergent. The detergent and oil help the vinegar spread out on and stick to the leaves.

The USDA also has been researching the use of acetic acid as an organic spray to control weeds. They found 20 percent acetic acid to be very effective, which is not surprising. Twenty percent acetic acid, though, is neither very safe to use nor readily available.

My vinegar concoction, at 5 to 6 percent acetic acid, is, of course, not as effective as the USDA’s 20 percent. Nor is it nearly as effective as the widely used chemical weedkiller Roundup. My mix only kills green leaves; Roundup is translocated throughout a plant to kill roots, stems, and leaves. Plants store energy in roots and stems so can recover from my spray to grow new leaves. Eventually, with repeated spraying, vinegar-sprayed weeds run out of energy and die. Plus, my mix is not much different from salad dressing (except that it would need more oil, some herbs, and no detergent).

My aim is to spray frequently enough to kill each emerging round of greenery while it’s still drawing on energy reserves, before the leaves start socking away excess energy in roots and stems. Early in the season weekly sprays are needed; later, every two weeks or so.

Because vinegar only kills greenery by direct hit, it is most effective on smaller weeds where there is no “shadow effect.” The vinegar spray’s effectiveness drops at temperatures below 70° F.

 
My farmden necessitates the application of about 8 gallons of vinegar mix per session, most easily applied using a backpack sprayer. Mixing up and spraying the mix is no fun but has become less unenjoyable with my new Jatco sprayer.
Anyone who has used a backpack sprayer will appreciate Jatco’s rather unique qualities: a carrying handle, clips for holding the pumping lever and spray wand during storage or carrying, a large mouth for easy filling and cleaning, a mixing paddle that moves with each pump of the handle, and the totally internal pump that eliminates that awful sensation of spray material dripping down your lower back (even if it is just vinegar). The sprayer is almost perfect, two very minor shortcomings being the difficult-to-read volume indicator embossed on the tank and the lack of a bottom handle to grab when inverting the sprayer when cleaning it.

The best thing about the Jatco sprayer is the good leverage afforded by the way the pump handle is connected to the pump. Less pumping means less work. Carrying 3 or 4 gallons of liquid on your back in the hot sun is work enough.

Lawn Nouveau & Gooseberry Trees

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Come visit my farmden on June 21st between 12 pm and 4 pm as part of the Open Days program of the Garden Conservancy. Admission is $5, the proceeds of which go to the Garden Conservancy, whose “mission is to preserve America’s exceptional gardens for the education and enjoyment of the public.” For more information about the Conservancy, go to www.gardenconservancy.org; for more about the June 21st visit, go to

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Some people contend that the grass is always greener on the other side of the fence. I disagree, and especially this year. I’m acting on the belief that if more than three people mention the same thing to me, something is amiss. More than three people have commented on the beauty of their lawns this year, that is, the greenness of the grass on their side of the fence. And these are not people who tend to puff up their chests about their lawns. Nor do any of them hire Chemlawn or some other specialized lawn care company to douse their lawns with various potions to try to create a uniform, lush, verdant greensward.
If lawns are, in fact, greener on these sides of the fences this year, I would attribute it to the cool temperatures and regular rainfall experienced throughout the Northeast this spring. Not, as a radio “expert” contended, to carbon dioxide enrichment of our atmosphere. (Carbon dioxide contributes to global warming and also, as one ingredient of photosynthesis, can spur plant growth. But if it was responsible for this year’s greener lawns, it also would have been responsible for greener lawns for the past few years.)
Anyone desirous of a lawn to reliably brag about year in and year out should move to Britain or some other country of northern Europe. That’s where the climate is ideal for lawns, and where the fad originated.
A nice lawn, but not mine
Lawns had their beginnings in manor estates where the turf was shorn by livestock and the swing of the scythe. Things became more democratic beginning about 1830, when Edwin Budding conceived of the first incarnation of the lawn mower. In the decades that followed, a rising middle class, suburbanization, improvements in lawn mowers and water supplies, and more leisure time afforded by the 40 hour work week all contributed to the spread of lawn culture, which really took off in this country with the housing boom following World War II. Abraham Levitt, creator of Levittowns in that period, wrote “No single feature of a suburban residential community contributes as much to the charm and beauty of the individual home and the locality as well-kept lawns.”
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A lawn is a nice surface for children to play on and provides a homogeneous, calming backdrop to a garden and home. A lawn also can be a source of pollution from fertilizers and pesticides, provide food for grubs that become Japanese beetles, and can, if sufficiently expansive, be homogeneous backdrop to the point of boredom.
I choose a middle way with my lawn: Lawn Nouveau (as featured in my book The Pruning Book). The more civilized area, that is, the area around my home, is mowed regularly. Further out, the grass or whatever else pops up is allowed to grow unfettered, except for being mowed once a year with either scythe or tractor. Two paths into this meadow are mowed as regularly as is the shorn lawn to provide enticement to walk into the meadow to get to the other side or to appreciate it up close or from other vantage points. Depending on the time of year, the weather, and when it gets its yearly mowing, the meadow might be awash in such colors as yellow from goldenrods or buttercups, or pastel blue from bee balm.
My Lawn Nouveau

I’m wondering if the shorn part of my lawn appears any different to anyone this year than in years past. To me, the grass is neither greener nor less green than on the other side of any fence. It looks the same as every year at this time: thick and lush.
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A couple of weeks ago I wrote about the imported currant worm, a bothersome pest that chomps all the leaves from gooseberry plants in spring. Oddly, it often ignores currants . . . but what’s in a name? I also wrote that one potential control for this pest might be to grow gooseberries as miniature trees. The worm lacks either the smarts or the energy to climb the leafless trunk to get at the leaves, or so my reasoning goes.
Thus far, my reasoning seems sound; nary a leaf has been touched on the “trees.”
My gooseberry tree in the making
I am training my tree gooseberry by pruning away all but the most vigorous, upright shoot and then pruning off the bottom-most two feet of leafy side-branches on that remaining trunk-to-be. I also pinched back the tip of that trunk-to-be at about 2-1/2 feet from ground level to stimulate branching, which has happened.
Over time, the plant will attempt to send up new shoots from near the ground and along the trunk; I’ll cut them off. The cluster of stems up high will need annual pruning, just the same as if they were all growing from ground level.
Another option would have been to graft a gooseberry variety onto the stem of a compatible plant that is more upright growing than gooseberry. European gardeners frequently grow their gooseberries as mini-trees, and create them by grafting on Ribes aureum, the golden currant, a native American plant. I grow golden currant and perhaps I’ll also try to make gooseberry trees by grafting.
Tree gooseberries have their downsides and upsides. On the downside, gooseberries really prefer to grow as bushes. As bushes, they naturally grow new shoots at or near ground level, and those stems tend not to be long-lived. However, a new trunk can quickly replace a dead or dying one.
The upsides to tree gooseberries are that the currant worm is thwarted, the fruit is held up off the ground, and — to me, at least — the plants look really cool.

Holly Needs a Male, and Cold Peppers

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Connecting the drip irrigation to the spigot behind my compost pile today, my eyes fell on five nearby Meserve holly bushes. Which brought my thoughts back to last fall, when I realized that I’ve never seen berries on those shrubs.
Hollies are dioecious plants (“two houses”): some are male, others are female. Only the female plants bear the bright, red fruits that, along with spiny, shiny leaves, are so essential a decoration for the winter solstice. To bear fruits (which are ripened ovaries, the female flowers must be dusted with pollen from male flowers.
Last fall, I reasoned that the lack of berries could be that the plants were too young (no, I planted them over 15 years ago), that the plants were too shaded (if so, there would have been at least a few berries), that late frosts were killing the blossoms (unlikely every year), or that the planting lacked a male stud. Except that I do remember making sure to plant one male holly for the harem of females.
A female holly flower
As luck would have it, coincidental with my connecting the drip irrigation, the hollies were in bloom. The blossoms are ornamentally insignificant but did provide the opportunity to confirm each plant’s sexual orientation. No magnifier was needed to see a swollen, green ovary at the base of the petals of each flower on all my plants. All my hollies are females. 
Right away, I started thinking of where, locally, I’ve seen hollies from which I could beg a few male blossoms, assuming other plantings have some males loitering about. Male flowers on a branch with its base in water would stay viable long enough for bees or me to effect pollination.
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Once the drip irrigation was connected, I broke tradition, neglected my own advice, and planted out tomatoes, peppers, and eggplants transplants. The date was May 19th rather than my usual end of May planting date. These plants allegedly shudder at a temperature below 50°F., which was predicted and sure to occur again. I did offer them some protection in the form of light, air, and water-permeable “row covers” held up over the plants by double metal hoops (from www.gardeners.com or, as concrete block truss reinforcing wire, from a building supply store). A single hoop over the row cover at each double hoop holds the row cover in place while allowing it to slide up and down for access to the bed.
Like holly berries, peppers, tomatoes, and eggplants are ripened ovaries — that is, fruits (botanically speaking; horticulturally and legally, they are considered vegetables. As fruits, they need pollination to develop. The flowers, in this case, are monoecious (“one house”), with male and female parts on the same plant. More than that, male and female parts are on the same flower; the flowers are all bisexual.
Pollen still has to move from the male parts of the flower to the female parts, and mostly, it’s bees that get that job done. Bees can’t get at plants within the row cover tunnels so once cold weather is reliably past I plan to uncover the rows and let bees work the blossoms.
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Row covers can also offer protection from certain pests. Anyone who grows eggplant eventually becomes familiar with flea beetles and the holiness they impart to the plants’ leaves. New growth on vigorous plants can more than offset older leaves’ loss of greenery but flea beetles can kill weak plants.
So the tack here is to keep eggplant plants under row cover until their flowers begin to open. In addition to fending off flea beetles, the additional warmth and calmer environment beneath the covering spurs growth for earlier harvest and for a plant better able to fend off flea beetles once uncovered.
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With peppers, it’s especially important to pull off the cover just as soon as plants blossom. The atmosphere within a row cover tunnel is a few degrees warmer than ambient, which is helpful now, when some protection from cold nights might be needed. Fruit set for peppers is poor at temperatures below 58°F., so a little extra heat can improve early season fruit set.
As days grow warmer, the even warmer environment beneath a row cover can have the opposite effect. Fruit set is also poor when daytime temperatures rise above 85°F.
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Tomatoes could remain covered throughout the season because bees are not necessary for pollination. Abetted with just a little movement — from wind for example — the mere opening of the flowers effects pollination. Night temperatures from 59 to 68°F. are best for tomato fruit set. Once night temperatures go higher than 70°F., fruit set suffers, but that’s not going to happen for a long time, even beneath a row cover.
Spreading compost

To Fertilize or Not To Fertilize, That is the Question

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Looking out on my vegetable garden last week, I noticed some yellowing leaves on kale transplants. Perhaps the yellowing leaves were just a legacy from the kale transplants adjustment to their home outdoors. In the greenhouse, lettuce that I planted last month lacked its expected exuberance.  Perhaps slow growth of lettuce was my imagination.
Or perhaps the lettuces and kales needed some fertilizer. Vegetables are generally heavy feeders, and leafy vegetables especially so. My garden doesn’t get fertilizer per se; the plants get all they need from compost. Years ago I calculated that a one inch depth of fully ripened compost could thoroughly satisfy the nutritional needs of vegetable plants — even intensively planted vegetables — for a year, and that’s what my plants get. As an added benefit, compost, in contrast to chemical fertilizers and even most organic fertilizers, offers a wide spectrum of nutrients in addition to just the big three: nitrogen, phosphorous, and potassium.
Chemical fertilizers are salts (in the broad sense of the word, that is, any ionic compound and not only sodium chloride). Add them to the soil, and they are there for plant use. Not so for compost and most other organic fertilizers. To become food for plants, the latter must first be “mineralized,” that is, converted by soil microorganisms to ions.
Microorganisms grow more and more active with increasing heat and moisture (to a point), so perhaps my plants were hungry because cold or dry soil was keeping microorganisms sluggish. And any available nutrients, whether their provenance is chemical or organic, needs to be dissolved in water before a plant can slurp them up.
“April showers bring May flowers . . . “ blah, blah blah. Not so, at least in my observation the past few years. Aprils have tended to be dry. Dry soil slows plant growth and could be responsible for my kales’ yellow leaves. Mineralization is slowed and even if mineralized, insufficient moisture might be available to put those nutrients in solution.
A problem with slow mineralization could have been resolved by applying compost the previous fall. Lingering warmth in the soil permits some mineralization, and nutrients would be ready and waiting come spring (with a winter’s worth of water putting them in solution). Usually I apply compost in fall but last fall did not get to all the beds.
The problem has been resolved, simply, by watering. As supporting evidence, the drip line in one of the vegetable beds came loose from its source; kale in that bed remained sickly even as the watered beds sprung to life.
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For a quicker effect or where compost is not available, a concentrated organic fertilizer, such as soybean meal, might be in order. You might have guessed that soybean meal is high in nitrogen — 7 percent — since soybean seeds contain 40 percent protein and proteins are about 16 percent nitrogen.
More recently, I’ve also been using alfalfa meal as a source of concentrated, organic nitrogen for plants or beds that need it. Being a legume, alfalfa is also high in nitrogen, but the meal is made by grinding up leaves and stems rather than seeds, so it is less concentrated in nitrogen (2 percent) than soybean meal. Alfalfa is a deep-rooted perennial whose roots forage far and wide for nutrients to possibly offer a bigger smorgasbord to plants than does soybean meal. Alfalfa meal also contains triacontanol, a natural compound that stimulates plant growth (not that I’m necessarily looking for any artificial stimulation fro my plants, whether from sources natural or otherwise).
Both soybean meal and alfalfa meal are mostly used as animal feeds; as such, they are readily available at feed stores.
Neither soybean meal nor alfalfa meal is the end-all for fertilizing plants. A serious concern with both is that they are mostly grown from GMO seeds. Also, neither provides a sufficiently broad spectrum of nutrients. Soybean meal provides mostly nitrogen and potassium; alfalfa meal mostly nitrogen and phosphorus. And finally, neither provides bulk that comes from carbohydrate compounds. This bulk has far-reaching benefits, fluffing up soils for aerations, sponging up water, feeding beneficial microorganisms, and, in addition to providing nutrients, making nutrients already in the soil more available to plants. Compost, leaves, and straw are among the organic materials that offer bulk.
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Why the focus on nitrogen when talking about fertility? Nitrogen is the most evanescent of the big three nutrients, and the one most likely to need annual replenishment. Nitrogen can leave the soil as a gas, can be washed down and out of the soil by rainfall, and can be taken up by plants. A soil regularly “fertilized” with bulky organic materials will have plenty of all necessary nutrients but could be temporarily short of nitrogen. Unless that bulky organic material is fully ripened compost. Yay compost!

Lee Reich’s Annual Garden & Plant Sale

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 Luscious, easy to grow, no spray fruits and ornamentals.

  • Nanking Cherries
  • Two-crop figs
  • Dessert gooseberries
  • Hardy kiwifruit

And much more!

Saturday, May 31st 2014
10am – 2pm
at my farmden in New Paltz, NY

Contact Lee for more information.

 

What’s New Farmdenly?

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In this early part of the growing season, I’m frequently asked, “So what new and exciting plants are you growing in the garden this year?” And just as frequently, I can’t think of anything. Not that gardening isn’t “new and exciting” every year, what with the vagaries of the weather and pests, and their interaction with planting, pruning, and soil care.
Well, this year I can think of at least four new and exciting plants I’m growing.
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I actually have grown cardoon before, perhaps 25 years ago. And up until this weekend, I had no desire to ever grow it again. The plant is like a giant celery with spiny stalks that must be tied together so that they get blanched and edible. Or supposedly edible, once you removed the tough strings running down each stalk. Blanching and de-stringing was a lot of trouble, too much trouble for me considering the taste of what of the tough stalk after being cooked.
This weekend, two people at my grafting workshop digressed from grafting to wax enthusiastic over cardoon. Evidently, my problems 25 years ago were growing the wrong variety and cooking it poorly. I’m not sure if any varieties were available back then, but I was convinced to order seed of the suggested variety, Gobbo di Nizza (Hunchback of Nice), and will sow them in pots as soon as they arrive.
Once the weather warms reliably, I’ll plant out two or three small plants, giving them rich soil. Once the plants are three feet high, I’ll mound some soil or wood chips up around their bases and tie the leaves together to blanch them, then a few weeks later, cut down the four-foot-tall monsters for eating. I was told that they taste like artichoke, a close relative.
In warm winter regions, cardoon grows as a perennial. If winter’s were warm here, I’d plant cardoon even if they tasted awful. That’s because in their second year, they send up six-foot-high stalks capped with bottlebrushes of cerulean blue flowers that sit in an artichoke-y base.
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I’ve also previously grown — or tried to grow — the second of this year’s N&EP (“new and exciting plants”), King Red Russian olive. It’s a variety of Russian olive, native to Afghanistan, that, instead of bearing the usual innocuous silvery green fruits, bears bright red fruits. The fruits contrast nicely with the silvery green leaves — and taste pretty good.
For some reason, King Red doesn’t like our summer weather, probably the humidity. My plant of yore grew fine until sometime in July, when it collapsed, dead. Others in the humid East have had similar experiences.
Out West, King Red, which was introduced as a conservation plant decades ago by the USDA, grows fine. Too fine, so that it is now listed as an invasive plant out there, along with regular old, green-fruited Russian olive. (Sometimes they are listed so in the East also, although they seem pretty sedate around these parts.)
I’m thinking that somewhere in the genes of King Red, which is a seed propagated variety, not a clone, might lie genes that can tolerate our summer climate. To that end, I got my hands on seeds left from a bag of imported, dried King Red fruits; I’ll sow them all and hope for the best. (I once tasted the dried fruits; they are like sweet talcum powder, enclosed within a brittle “shell.”) The fruits parade under a number of aliases: Trebizond date, lotus tree. Botanically, it’s Elaeagnus angustifolia var. orientalis.
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Another fruit, Ficus Afghanistanica, or mountain fig tree, is among my N&EP. With more than a half-dozen fig varieties in my not very fig friendly climate, you’d think I had enough figs. Mountain fig tree is worth a try for its hardiness, by some accounts to well below zero degrees F. Of less importance here in the humid East is its drought tolerance, which may be related and help with its cold hardiness.
Also on the plus side, the plant has decorative leaves, similar to common fig leaves except pointed at their tips.
On the negative, there’s some question as to whether this fig needs pollination, something most fig varieties do not need. If so, a special pollinator variety would be needed as well as some means to get the pollen into the eye of each fruit at the right time. A syringe filled with pollen? Figs that need pollination normally get their pollen with the help of Blastophagus, which are tiny wasps that, laden with pollen, enter the eyes of developing fruits to lay eggs and, in so doing, inadvertently pollinate the flowers within.
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The buttery pleasure of eating hickory nuts is offset by the tediousness of cracking and shelling them. That’s shagbark hickories (Carya ovata), which are native throughout eastern U.S.
Shellbark hickories (C. lacinosa) have similar nut flavor and shape, except that they are two or three times larger, so you get more bang for your buck with each nut you crack. Walking just a quarter of a mile in any direction, I’d be likely to find some shagbark hickory nuts on the ground but nary a shellbark hickory. The latter species is found mostly along the Ohio and Mississippi Rivers, and bordering regions; nowhere, though, is it common.

So I ordered trees from Nolin River Nut Tree Nursery, and not just any old shellbark trees, but the varieties Simpson and Selbhers. Both are billed as heavy bearing and producing nuts medium to large nuts with excellent cracking qualities. Very “new and exciting;” I hope to enjoy the nuts of my labor in 5 to 10 years.