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I broke my own rule and planted tomatoes out in the garden on May 13th. The weather was warm, the tomatoes were ready to pop out of their containers, and the bare ground seemed to cry out to be finally clothed with plants.

The correct planting date for tomatoes around here is during the last week in May, not May13th. Warm weather before the end of May can be deceiving and often, in the past (last year, for instance, has been followed by night temperatures that plummeted. That’s why I try never to go with my gut as to when to plant.

But this year seemed different. The weather had been warm for days, so the ground was warm. The weather report (not that, judging from experience, it could be trusted) didn’t call for any day or night temperatures dropping below even 50° F. Rain was forecast for the following few days, which would spare me the need to water the young plants for the few days while their roots had reached out into surrounding soil. And if low temperatures did threaten, I could quickly throw a cover over the plants or, with extended cold weather, quickly erect a wire-hoop supported tunnel of plastic over the beds.

So the tomatoes have been in the ground for a few days. The rain fell — over 2 inches! With cloudy weather, temperatures have remained cool, in the 50s and 60s. Tomatoes are native to moderate elevations in the Andes mountains, so perhaps are enjoying this weather.
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As long as I was planting tomatoes, I got on a role and started planting myriad other seedlings – zinnias, cosmos, leeks, morning glories, and sunflowers – in the ground also. Yes, it was raining, which normally makes for goopy soil that if clayey, is unpleasant for planting. Digging around in goopy clay soil also can also ruin its structure so it becomes poorly aerated.


My appreciation for being able to plant in rainy weather sends me back decades, when I visited 90 year old Scott Nearing, radical economist, political activist, and advocate of simple living, and helped out in his coastal Maine garden. Although I had just begun my agricultural education, academic and hands-on, I marveled at the feel of his soil. Planting and weeding were sheer pleasure, in spite of the rain, in soil of such good tilth. I was told that the soil there used to be a goopy clay but was transformed into that heavenly stuff in which I was working with years of copious additions of compost.

If only, I thought, I could someday have garden soil like that. I do! Every year I have blanketed the ground with an inch or more of compost so that the surface, rain or shine, presents a soft, water absorbent yet workable, nutrient and biologically-rich home to hands and plant roots.
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May 16, I mark on my calendar the day that Korean mountain ash (Sorbus alnifolia) is blooming. This relatively rare plant is notable for its sprays of clear, white blossoms, for its warm, coppery-bronze autumn leaf color, and for it showy – perhaps the showiest of all plants! – display of small, flaming red berries. The fruits are also a tasty nibble (which warranted the plant a place in my recent book Landscaping with Fruits).


I first met this plant “in person” at the Scott Arboretum at Swarthmore College 5 years ago in October. As I stood there admiring the tree, I nibbled at the fruits. And, of course, I couldn’t bring myself to spit out the small seeds. Not because of propriety but I because each seed had such potential.

Long story short: I took the seeds home, mixed them with moist potting soil in a bag which went into my refrigerator for 3 months of stratification (fooling the seeds into thinking winter was over and it was safe to sprout), potted them up, and ended up with 2 good seedlings.

One of my two seedlings is now about 10 feet tall, and that’s the one now in flower. What’s amazing is that the plant bloomed at such a young age. Ten years might go by before an apple tree makes the physiological transition from juvenility to maturity – that is, reproductive and, hence, flowering age. Grafted trees, which are made by grafting mature stems onto rootstocks, bloom much quicker. Ten feet of growth and 5 years till first blossoming from seed is quick.

I’m looking forward to seeing and tasting the fruit of my own Korean mountain ash seedling in October.
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May 10th, an exquisite day with a slight breeze, temperatures in the 70s, and a limpid blue sky matching the blue on the backs of the resident pair of male bluebirds flitting about. What a day to be in the garden. So how come I’m not there? Because I’m building garden gates.

Having recently re-built the arbored gateways leading into and out of one of my vegetable gardens, building of gates themselves was the next order of business. Or, rather, has been for the past month or so. The original arbors and gates were cedar, everyone’s go-to wood for rustic garden structures. I hand cut and hand carried all the cedar out of the woods for those original arbors and gates, and fashioned them into what I thought were quite attractive structures – until they rotted.

The only rot resistant part of cedar is the heartwood, and 3 or 4 inch diameter posts such as I used have a red tube of heartwood running up their centers only an inch or so wide. The rest rots, which it did very thoroughly over the past 15 years.

The new arbors and gates are of black locust, a dense wood that vies with commercial pressure-treated wood for longevity. I grew most of the posts myself, in my miniature woodlot that’s about 50 feet long by about 15 feet wide. There, locust saplings swell up to the needed 4 to 6 inch diameter posts in 12 years. New sprouts develop at the base of cut stumps and from root suckers so the mini-woodlot offers an ongoing supply of locust posts. (This year’s construction necessitated supplementing my woodlot’s production with wood from my friend Bill Munzer, who has a bona fide forest of black locust trees in Gardiner and sells locust posts.)

So, yes, it would have been a nice day to have been in the garden. But it was also a nice day to be building garden gates. As with so many things in gardening, building the gates provided a satisfying commingling of art and function. One gate down, 3 to go.

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Dead or living, black locust is among my favorite trees. One other endearing feature of dead locust is its enormous heat output when burned. There are few other woods that provide longer and more warmth in the woodstove than black locust.

The living tree has a deeply furrowed bark and craggy form that reminds me of the trees along the yellow brick road that grabbed Dorothy on her way to Oz. In a couple of weeks, black locust branches will be dripping with chains of pale, blue flowers looking something like those of wisteria but more subdued. The flowers emanate a sweet fragrance that can be enjoyed from even a couple of hundred feet distance.

Another endearing quality of black locust is that the living tree improves the soil. It’s a legume, just like peas and beans, and like other legumes harbors a symbiotic bacterium in its roots that takes nitrogen from the air and puts it into a form on which plants can feed.

Black locust has the distinction of being classified as a “native invasive” plant, a tricky (goofy?) classification that’s not immediately clear. The tree is truly native to a small area in southeastern U.S. from which it has naturally spread.

As I wrote above, “new sprouts develop at the base of cut stumps and from root suckers,” Black locust also sometimes makes new plants from fallen seeds. I welcome this invader.

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I did take a break from gate-building to get into the garden. I had to because today is the day for my first planting of corn. We still have a week or two of possible frost, which shouldn’t hurt the planting. Corn is a grass, with its growing point sheltered beneath the ground, ready to push up new leaves even if they suffer cold injury above ground. The only requisite for planting is sufficiently warm soil, 55° and above, to promote germination rather than rotting.

This year’s plantings, like those of past years (pictured at right), is Golden Bantam sweet corn in one vegetable garden and Pink Pearl and Dutch Butter popcorn in the other. I isolate these plantings to prevent cross-pollination from making the sweet corn less sweet or the popcorn less poppable.

Into each 3 foot wide bed goes two rows of hills (“hills” as in “stations,” not mounds), with 18 inches between hills in the row. I drop 8 seeds into each hole, water, and, with my foot, push the soil back into the hole and firm it with my heel. Hills provide closeness for corn mating and withstand winds better than wider spaced individual plants. Once up and growing strongly, the seedlings get thinned to the sturdiest 4 plants per hill.

(grafts, alpine strawberries, money plant flowers)

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It’s amazing how exciting a little bit of greenery can be. And I do mean just a little, eensy-weensy bit. That exciting greenery is in the barely expanding buds of grafts I’ve made over the past couple of weeks.

 Backtracking as to why I made those grafts . . . I did it to change over some fruit trees to new varieties. The Blanquet Précoce pear tree, for instance, never did well so I lopped it off at about 2 feet high and grafted on some Collette pear stems. (I have another Blanquet Précoce tree anyway.)
 
I also grafted a Chief gooseberry onto a single-stemmed clove currant, again at a height of a couple of feet, to create a gooseberry plant that, rather than its usual sprawling self, becomes a miniature tree. Getting branches up off the ground may put the leaves beyond reach of the voracious imported currant worm and also makes a neat-looking plant.
 
A couple of stems of the Black Plum variety of cornelian cherry that I grafted up in a tree of Redstar cornelian cherry should, if the graft takes, provide cross-pollination and more variety from a single tree. Cornelian cherry is difficult to graft. I’ve failed every year for the past 6 years.
 
I also grafted a lot of apple and pear stems onto dwarfing rootstocks. I already have plenty of apple and pear trees so I’m not sure exactly why I made more. Grafting mania? I’ve grafted apples and pears for many years and typically have almost 100 percent success. They still elicit excitement as they begin to grow.
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Not to brag, but I it’s May 3rd and I just had my first strawberries of the season. Obviously, these are not your run-of-the-mill garden strawberries, which typically begin ripening around here in June. The strawberries I’ve just eaten are alpine strawberries, not-your-run-of-the-mill red alpine strawberries, but white alpine strawberries.
 
I’ve grown these plants for many years (and devoted a chapter to them in my book Uncommon Fruits for Every Garden). Mostly, I grow them in pots. In contrast to garden strawberries, alpine strawberries don’t make runners, so don’t sprawl out of the pots or all over the place planted in the ground. Alpine strawberries also are everbearing, pumping out thumbnail-sized berries all summer long. If they are in a pot in a greenhouse or at a sunny windowsill, they’ll fruit from early spring well into autumn, whenever temperatures and light permit. My potted alpine strawberries go into the greenhouse in March and spend summer decoratively poised on the ledge along the path to my front door, where ripe berries can be plucked in transit.
 
I prefer the white to the red alpine strawberries. That’s because all alpine strawberries taste like cotton soaked in lemon juice until they are dead ripe. Birds peck the red varieties at their first blush of red. Birds don’t notice ripe berries of the white varieties, which indicate their ripeness with darkened seeds and an ambrosial, pineapple-y fragrance.
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I didn’t realize a money plant could be so pretty. The plant is sometimes called “silver dollar“ plant, sometimes “honesty,” and sometimes “lunaria,” its botanical genus. The seed capsules – silvery, round, and flat – are how it’s most recognizable.
 
Never having grown the plant, I wasn’t prepared for the beauty of the flowers. Each blossom has four purple petals in the shape of cross, the shape indicating kinship with dame’s rocket and other members of the cabbage family, Cruciferae. (Cruciferae means “cross-bearing;” the newer family name is Brassicaceae, from the Celtic word bresic, meaning “cabbage”).
 
The “money” part of money plant more definitively identifies it as a Cruciferae. That’s what remains of the fruit (botanically, a silique) after it matures, and its two covers split off to leave a thin, round, silvery septum with imbedded seeds. The whole family bears siliques, but not leave that round, silvery membrane. Radishes, for example, bear long, thin siliques, which have a nice, spicy flavor and crisp texture when green and fresh. It’s worth letting a few radish plants go to seed.
 
I planted money plant late last summer. It’s a self-seeding biennial or short-lived perennial so silver dollars should be a permanent fixture here from now on.
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(locust, gates, corn planting)

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May 10th, an exquisite day with a slight breeze, temperatures in the 70s, and a limpid blue sky matching the blue on the backs of the resident pair of male bluebirds flitting about. What a day to be in the garden. So how come I’m not there? Because I’m building garden gates.
 
Having recently re-built the arbored gateways leading into and out of one of my vegetable gardens, building of gates themselves was the next order of business. Or, rather, has been for the past month or so. The original arbors and gates were cedar, everyone’s go-to wood for rustic garden structures. I hand cut and hand carried all the cedar out of the woods for those original arbors and gates, and fashioned them into what I thought were quite attractive structures – until they rotted.
 
The new arbors and gates are of black locust, a dense wood that vies with commercial pressure-treated wood for longevity. I grew most of the posts myself, in my miniature woodlot that’s about 50 feet long by about 15 feet wide. There, locust saplings swell up to the needed 4 to 6 inch diameter posts in 12 years. New sprouts develop at the base of cut stumps and from root suckers so the mini-woodlot offers an ongoing supply of locust posts. (This year’s construction necessitated supplementing my woodlot’s production with wood from my friend Bill, who has a bona fide forest of black locust trees in Gardiner and sells locust posts.)
 
So, yes, it would have been a nice day to have been in the garden. But it was also a nice day to be building garden gates. As with so many things in gardening, building the gates provided a satisfying commingling of art and function. One gate down, 3 to go.

 

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Dead or living, black locust is among my favorite trees. One other endearing feature of dead locust is its enormous heat output when burned. There are few other woods that provide longer and more warmth in the woodstove than black locust.
 
The living tree has a deeply furrowed bark and craggy form that reminds me of the trees along the yellow brick road that grabbed Dorothy on her way to Oz. In a couple of weeks, black locust branches will be dripping with chains of pale, blue flowers looking something like those of wisteria but more subdued. The flowers emanate a sweet fragrance that can be enjoyed from even a couple of hundred feet distance.
 
Another endearing quality of black locust is that the living tree improves the soil. It’s a legume, just like peas and beans, and like other legumes harbors a symbiotic bacterium in its roots that takes nitrogen from the air and puts it into a form on which plants can feed.
 
Black locust has the distinction of being classified as a “native invasive” plant, a tricky (goofy?) classification that’s not immediately clear. The tree is truly native to a small area in southeastern U.S. from which it has naturally spread.
 
As I wrote above, “new sprouts develop at the base of cut stumps and from root suckers,” Black locust also sometimes makes new plants from fallen seeds. I welcome this invader.
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I did take a break from gate-building to get into the garden. I had to because today is the day for my first planting of corn. We still have a week or two of possible frost, which shouldn’t hurt the planting. Corn is a grass, with its growing point sheltered beneath the ground, ready to push up new leaves even if they suffer cold injury above ground. The only requisite for planting is sufficiently warm soil, 55° and above, to promote germination rather than rotting.

 

 
This year’s plantings, like those of past years, is Golden Bantam sweet corn in one vegetable garden and Pink Pearl and Dutch Butter popcorn in the other. I isolate these plantings to prevent cross-pollination from making the sweet corn less sweet or the popcorn less poppable.
 
Into each 3 foot wide bed goes two rows of hills (“hills” as in “stations,” not mounds), with 18 inches between hills in the row. I drop 8 seeds into each hole, water, and, with my foot, push the soil back into the hole and firm it with my heel. Hills provide closeness for corn mating and withstand winds better than wider spaced individual plants. Once up and growing strongly, the seedlings get thinned to the sturdiest 4 plants per hill.
 

(seedlings on the move, flower sdlg, what is gardening, naturalized bulbs

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This time of year, more than ever, each of my plants gets its carefully allotted space. That’s because seedlings that will eventually be planted out in the garden have begun to overflow the greenhouse, which must also house grown-up lettuce, kale, celery, and other plants for eating right now. To economize best on space, I sow seeds in furrows in 4 by 6 inch seedling flats and prick out tiny seedlings a week or so after they sprout into individual cells in cell packs filled with potting soil. As temperatures warm and seedlings grow, seedlings in cell packs move outside and get acclimated to brighter sunshine, wind, and cooler

temperatures.
 
Who gets moved, and when, depends on the plant and the weather. Broccoli, kale, cabbage, and collard seedlings are cold-hardy and almost big enough to transplant. So they’ve been sitting on the table outside the greenhouse since earlier this month. The same goes for celery, artichoke, lettuce, and onion seedlings.

 

 
Inside the greenhouse, pepper seedlings are growing in cells and tomato seedlings are almost ready to lift out of their furrows in seedling flats for re-planting in individual cells. The tomato seedlings sprout and grow fast, so even though they were sown later, they’ll soon outstrip the peppers in growth.
 
A wrench is thrown into this orderly march of plants within and then outside the greenhouse whenever temperatures drop near or below freezing. Then everything gets hustled back into the greenhouse, which becomes overcrowded with cell packs lining up in paths, benches, and any unplanted space in beds.
 
Odds are that temperatures will plummet, and more than once, before warm weather settles in for good. The average date for the last killing frost around here is the middle of May.
 
For the last few years, that date has been pushed way back into early April – almost. “Almost” because every year for the past few years it’s been warm, warm, warm through April and then bam!, one or two nights in early May get downright frigid, as if to remind me about that average date of the last killing frost. Those evenings I run around throwing blankets over seedlings already planted in the garden and moving seedlings back into the greenhouse. And then it gets warm again, and stays that way.

 

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I’m realizing earlier this year than most years that I’ve started too many flower transplants. Usually that realization comes as I’m frantically looking around the yard trying to find a home for the plants in a tray of seedlings I’m carrying around.
 
The genesis of this problem is not hard to fathom. Pictures of colorful flowers, oozing forth from seed catalogs that arrive against the achromatic backdrop of late winter, make purchasing seeds irresistible. Each packet has so many seeds; why not plant them all? And then prick all the seedlings that sprout, or a good portion of them, into individual cells filled with potting soil? And then . . . and then, where to plant them?
 
It’s too early for that final dilemma. All I know is that I now have 40 carnation plants and almost that many each of Lemon Gem marigolds and three different colors of zinnia waiting to sprout. Oh yeh, also some heliotrope, nicotiana, and delphiniums. And I am going to throw some alyssum seed right out in the garden. And I have some butterfly weed and hollyhock plants from last year’s excess that never got planted. And . . .
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Sometimes I wonder just what “gardening” is. Sowing seeds is definitely gardening, as is transplanting seedlings, making compost, weeding, spreading compost, and pruning. But how about replacing the wood panels of my garden cart, something I should do now and will have to do soon? Or sharpening my grafting knife, also to be done soon, very soon? Or re-building my garden fence, something I am now in the throes of? Or sharpening and trying to start my chainsaw for cutting posts that will hold up that garden fence? It’s a busy time of year.

 

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Last week I wrote about looking for the small bulbs I had planted to naturalize in my lawn about 5 years ago. I feared they had petered out. Not so! They all appeared this week (except for the dwarf irises and crocuses marking my old dog’s grave). Cornelian cherry also finally bloomed, for some reason almost a month later than usual.
 
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Winter cold is all too evident, right now. Or maybe it’s just that spring is later than usual. Here it is, the first week in April, and cornelian cherries (Cornus mas) have yet to bloom. Yet one reason I grow this tree is because its blossoms are among the first to awaken in spring. The stems are typically drenched in a profusion of small, yellow flowers in early spring, just after the middle of March, and blossoming goes on and on for weeks.

Everyone else is blossoming on time. Witchhazel has been in bloom for a few weeks, hellebores have opened, and buds seem ready and on time on forsythia, lilacs, and clove currants.

Cornelian cherry blossoms might have been killed by winter cold, although they’ve survived colder winters in the past. Teasing open one of the fat flower buds reveals the makings of yellow flowers, so perhaps they are just late this year.


I hope the flowers are merely still resting because, if so, they will be followed by fruits that look and taste like tart cherries. Like the flowers, they’re also borne in profusion, and decoratively hang from the branches for a long time unless harvested. Unlike tart cherries, cornelian cherries fruit very reliably with little bother from any pests.
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Other evidence of this past winter’s cold – unrelated to the lateness, or not, of spring – is bamboo. Today was overcast and rainy, and driving back from having my truck inspected, I couldn’t help but note patches of winterkilled bamboo in various yards. The clumps of upright stalks draped with now-tawny leaves, very attractive as a muted prelude to the exuberance of spring blossoms, really jump out in the landscape once you start looking.

Soon bamboo will shed its dead leaves and become unattractive, a brief phase that ends as soon as new shoots poke through the ground. They grow very quickly – I’ve measured 6 inches a day of growth – and are quickly clothed in fresh, green leaves.

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Particularly welcome and, I think, on time are some blossoms that are not even colorful. Those blossoms are the catkins on my filbert bushes. They are brown but drape decoratively down from the branches like the tails of cats (actually kittens, the origin of the word from the old Dutch word katteken).

Catkins are spikes of flowers, all male in the case of filberts. The female flowers are hardly noticeable until they start developing into clusters of nuts.


My filberts are European hybrids, the nuts of which are large and tasty. Years ago I grew some native filberts (Corylus americana), which bear nuts that are really too small and not tasty enough to be worth eating. The reason I planted them was because they are resistant to filbert blight disease, a disease indigenous in eastern U.S.. European filberts (C. avellana) are grown commercially in the U.S. in the Pacific northwest, where the disease was absent.

Note the phrase “was absent.” Filbert blight started showing up in those parts in the 1980s so breeders there started looking for and developing resistant varieties of European filberts. Actually, some eastern filbert enthusiasts had bred some fairly resistant varieties, such as Graham Hybrid, Gellatly, and Hall’s Giant, all of which I planted almost 15 years ago. They bore well but got some blight. The breeders in Oregon came up with some new varieties that are immune to the blight.

Long story short: I’ve been enjoying large, tasty filbert nuts in autumn and the-catkin draped branches early each spring for a number of years. The varieties I now have are Lewis, Clark, Yamhill, Jefferson, and Santiam. That’s a lot of nuts!
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More nuts. Hickories are delicious (a close relative of pecans) but a hard nut to crack and, once cracked, yield little nutmeat. I recently read an article about improved varieties of this native tree, varieties whose nutmeat crack out in halves. I just ordered trees of the varieties Selbher and Henning.
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[tomato sdlg, small bulbs, cacao]

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Finally, after a couple of weeks of restraining myself, I’m sowing tomato seeds. Every bit of warm weather and bright sunshine made it harder to hold back, but the time has come.
 
The problem – if it could be called a problem – is that tomatoes grow pretty much like weeds. The seeds germinate quickly and the seedlings grow fast. So what typically happens is that seeds are sown too soon and the seedlings get too big for their pots before transplanting time. Too big, that is, unless you keep repotting them. Repotting becomes a space issue when you grow 50 or more tomato plants, as I do.
 
I grow my plants in my greenhouse but for anyone who raises tomato seedlings on a windowsill, plants seeded too early tend to get too leggy. It’s hard to grow nice, stocky seedlings in the limited light of even a sunny window. Not impossible, though, if the room is kept cool (mid 60s), if the plants are near the window, which is south-facing and unobstructed, and if you pet the plants daily.

 

 
Yes, pet the plants! Running your fingers or a short length of plastic pipe gently over the tops of the plants a dozen times or so daily does the same thing that wind does to plants on wind-swept, craggy, cliffs: It stimulates release of a plant hormone, ethylene, which inhibits stem elongation. Breezes from the ventilation fan and bright sunlight in my greenhouse keep my plants stocky; I still occasionally pet them.
 
April 1st is my tomato-seed-sowing date, which allows 6 to 7 weeks of growth before transplanting time. The plants start off slowly, then pick up steam quicker and quicker as temperatures warm and sunshine grows brighter. Last year, I grew 80 plants, which provided plenty of tomatoes for fresh eating, sauce, salsa, and ketchup (the last item a failure, but it did use up a lot of tomatoes). This year, 50 plants should suffice.
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What could be cheerier than the flowers of crocuses, dwarf irises, and other small bulbs popping up out of the ground now? These flowers, no matter how small, are really appreciated after a colorless winter.
 
Five years ago, I planted a slew of these small bulbs, also including species tulips, chionodoxa, muscari, puschkinia, galanthus, and scilla. Some went into mulched ground beneath the apple trees, others went into the soil in beds where I’ll soon be planting vegetables, and still others were planted right into lawn.
 
The bulbs that went into vegetable beds and mulched ground have, as expected, grown most vigorously and are now tight clumps of flowers. Plants “plugged” into lawngrass are less vigorous because of competition for nutrients. Water is not a factor because the soil stays plenty moist during the few weeks in spring that these small bulbs are flowering and then growing leaves to feed next year’s flowers.
 
A number of bulbs seeded in lawn have died out. Perhaps it was the competition. In the front yard, our annual floods, which have been deeper than usual over the past few years, probably snuffed out already weakened plants. Especially missed is the rectangular planting of Iris ‘George’ (a hybrid of Iris histrioides and I. reticulata) and crocus ‘Clothe of Gold’ (a variety of C. angustifolius dating back to 1587) that marked the grave of our old dog Stick.
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Turning to warmer thoughts . . . Joining me on my return from last week’s trip to Puerto Rico was a chocolate pod. The orange pod dangling from a branch at the USDA research station was too irresistable to leave hanging. After much effort climbing branches and whacking at the pod, I finally landed it on the ground.

 

 
I’ve cut the pod open to reveal the seeds, some of which I planned to sprout and others of which I planned to process into a primitive chocolate. Now I’m having second thoughts.

 
The trees are truly tropical, needing constant heat, ideally over 68° F. Neither my house nor my greenhouse temperatures remain consistently that high. The plants do, at least, tolerate some shade. Even if I got the seedlings to grow to their 5 foot fruiting height, making chocolate involves a rather complicated process of fermentation, drying, cleaning, roasting, and pressing. I think I’ll just buy some finished chocolate instead. But what to do with this intriguing pod and seeds?
 
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Night temperatures are still usually dropping well below freezing, as they will for the next few weeks. No matter, because where I am, it’s like summer. Puer-r-r-r-to Rico! Here day temperatures hover in the low 80s, night temperatures in the 70s. Gentle breezes rustle the leaves of palm trees and make these temperatures even more comfortable.


It’s the dry season, especially here in the southeastern portion of the the island, with daily chances of thundershowers meaning nothing more than brief cloudbursts after which beaches, roads, plants – everything – dries quickly. Still, grasses in pastures have that bluish, dry look. Majestic mango trees weighed down with unripe fruit await wet weather in coming months to burst into flowers in preparation for another load of fruit.
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This winter’s low of minus 20° F. killed off the tops of my bamboo so I expect this year’s growth from the roots, which do survive, won’t match the 20 foot culms that grew last year. Even at 20 feet, these tall culms don’t hold a candle to some of the tropical bamboos down here in Puerto Rico. A tour of the U. S. Department of Agriculture research station in Mayaguez let me see a number of tropical bamboo species all in one place.

Most dramatically impressive were a couple of the larger species. I’m happy with inch-thick culms from my Phyllostachis aureosculcata plants, a species that is among the hardiest of what I call “timber bamboos.” What a joke, my calling these “timber bamboos.” Bambus vulgaris and Guadua angustifolia culms reach about a half a foot across here in P.R. I would estimate their culm height at about 60 feet.

Ah, the things I could do with such plants. I use my P. aureosculcata canes for some building projects such as lightweight fencing and poles for climbing beans or tomatoes. With those tropical bamboos, I could build a whole house, or, at least, a very decorative garden hut. In fact, Guadua angustifolia is used for construction.


Bamboos generally are fast growing plants. A major difference between most tropical bamboos and most temperate bamboos is that the temperate species spread aggressively via underground runners that scoot along horizontally just a couple of inches or so beneath the ground. I’ve seen culms pop up from runners that have spread 5 feet away from my plants in just a few weeks. Thoroughly digging up these runners is not easy because they are as tough as the culms. I contain my bamboo with a plastic barrier that extends from a couple of inches above ground to 2 feet down into the ground. Still, the runners sometimes creep over the top of the barrier after which I have to pull and dig up the tough lacework that quickly develops just beneath the ground surface.

These topical species would be downright frightening if they spread like the temperate species. Instead of spreading, they grow in well behaved clumps. Clumping makes that impressive Bambus vulgaris even more impressive, the culms soaring skyward and then fanning out like a fountain. As if that wasn’t enough, the variety Vitatta that I saw has yellow culms with forest green lines seemingly brush-stroked – one, two, or three of them – vertically between some of the nodes.
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The U. S. Department of Agriculture research station here in Mayaguez also houses the collection of temperate zone bamboo species, including my own Phyllostachis aureosculcata. What a sorry site! The culms were 8 to 10 feet high and looked somewhat piqued. These bamboos, like most other temperate plants – perhaps even some people – don’t thrive with perennially hot weather. They (and we) need their (and our) dose of cold weather each year. Easy for me to say, down here in La Isla Encantada.
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PRUNING WORKSHOP, April 3rd, at my garden!!

Contact me thru my website for more details.
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Summer cole slaws, steaming plates of broccoli, and kale cooked and drizzled with some olive oil, lemon juice, and toasted sesame seeds are now on their way. Seeds are sown, sprouts should be up within a few days, and a few days after that I’ll lift enough sprouts from their mini-furrows in a seed flat to fill a 40 cell tray. By May 1st, the seedlings will be big enough and will be planted out in the garden.

An early start is important with most of these plants in the cabbage family, the so-called cole crops, or crucifers. (“Crucifer” because everyone in the family bears 4-petalled, cross – “cruc” – shaped flowers.) These are plants that thrive in and taste best with cool, moist weather. The one exception is kale, which to me has a rich, sweetish, nourishing flavor even in the heat of summer. I see some still out in the garden now that the snow is receding, and will harvest it the first chance I can get through the garden gate, which, as I write, is still locked close with snow.

The cabbages and broccolis I just sowed are for early summer; the kale for spring, summer, fall, and, as long as I can get to it, winter. Fortunately, I grow backup kale, a dozen plants that enjoy the cool temperatures of the greenhouse all winter long.

Kale for this year is Dwarf Blue Scotch and Winterbor. For cabbage, I’m growing the tasty, small and pointy-headed, heirloom variety Early Jersey Wakefield. With broccoli, I’m hedging my bets. I bought a packet of mixed seed, including varieties with different harvest times, some notable for making large main head, and some notable for prolific side shoots.
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Receding snow makes it easier to get to some low bushes and see what to prune. Like my currant and gooseberry bushes, which will be the first to get pruned. The reason they are first in line is because they are the first to begin growing. A few days of warm weather and their buds will all of a sudden turn green with nascent leaves about to unfold.


I prune most of these plants by a renewal method. Being shrubs, they’re always sending new sprouts, called suckers, up from ground level. Old stems do not stay virile very long, typically not bearing well after about 3 years. With renewal pruning, all stems more than 3 years old get lopped back to ground level or to low-growing vigorous, upright side branches. The stems that are the oldest are obvious because they are fattest and have the peelingest bark.

Next, I turn to the suckers. Each year, these bushes typically send up a lot of new suckers from ground level, too many, so many that they would crowd each other with age. So the other pruning needed is to reduce the number of new suckers to a half-dozen or so, saving those that are most vigorous, healthy, and upright. Finally, I shorten lanky stems that would otherwise droop to the ground, especially when loaded with a crop of berries.


What’s left after pruning, then, are a half-dozen new suckers, a half-dozen 1-year-old stems left from last year, a half-dozen 2-year-old stems form the year before last, and a half-dozen 3-year-old stems from the year before that. That’s about how the bush looks every year after being pruned, in theory, at least. Nothing’s too old and the young ‘uns have room to grow.

Pruning gooseberries is a thorny affair that demands use of leather gloves.
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Most people on this side of the Atlantic (excepting Canada) don’t really know gooseberries. If they’ve experienced the fruit, they consider them all to be small, green, and tart, which, unfortunately, those most commonly offered are. In fact, gooseberries come in a wide spectrum of flavors, colors, and size.

For starters, and most importantly, gooseberries can be divided into culinary and dessert varieties. Many dessert varieties can be used for cooking, for which use they’re harvested slightly underripe.


Dessert varieties have a sweet or sweet-tart flavor. My Hinnonmakis Yellow berries are small, yellow, and sweetly reminiscent of apricot. Black Satin gooseberries are wine-red in color with a flavor much like a sweet, rich wine. Colossal, which I’ll be planting again after a 15 year hiatus, has humongous fruits with a cracking texture: the skin is firm but explodes into your mouth with an ambrosial, sweet juice when you bite into it.

Generally, gooseberries are tough plants that are easy to grow. They’ll tolerate any amount of cold and deer leave them alone. I’m looking forward to enjoying fruits of the dozen varieties I grow in July.

[carnations]

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Don’t be surprised if you see me sporting a pink carnation in my buttonhole this summer. I want big, fat, fragrant, florists’ carnations, and I think I finally found one: Enfant de Nice. I’ve grown many “pinks,” another name for carnations, in the past, but they were always too demur. Enfant de Nice, from its descriptions, should have corpulent blooms in white and various shades of pastel pink. The fragrance, billed as “intoxicating spicy-sweet clove perfume,” sounds heady enough that it might have me unable to walk a straight line with one of those in my buttonhole.
 
For now, the practical must be dealt with: sowing seeds 1/2 inch deep in seed flats kept cool and moist, then moving sprouted seedlings to individual cells, and finally, after the last average frost date (mid-May), out to the garden. Pruning back stems after blossoming should keep me in boutonnières through July and August.
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I just checked my maple syrup buckets. They were all full.