TWO DELICIOUS ORBS, ONE BLUE & ONE WHITE
Soil is Key
Last week I described my foray into the New Jersey Pine Barrens, culminating in a visit to the USDA research station there to experience many new, interesting, and tasty varieties of blueberry. The soils of the Pine Barrens, as I wrote provide ideal conditions for the rather specific and unique requirements of this fruit.
That’s not to say that blueberries can’t be grown successfully beyond the Pine Barrens. In fact, they can be grown just about everywhere — if the right varieties are chosen and the soil is amended to suit the plants. The soil here at my farmden, for instance, is very different from that of the Pine Barrens. Mine is a naturally rich silt loam that is slightly acidic; the Pine Barrens are naturally poor sands that are very acidic.
Both soils are well-drained, which is the first requirement for a blueberry soil. The way to make soils that are less than perfectly drained suitable is to plant the bushes atop mounds or carry water away in ditches or in buried, perforated pipes.
Next, acidity. The pH for blueberries needs to be between 4 and 5.5, which is very acidic (and is what blueberry relatives such as rhododendrons and mountain laurels also demand). I acidifed my soil with elemental sulfur, a naturally mined mineral, before planting and do so periodically over the years, as needed. Many gardeners pile oak leaves or pine needles on their ground, or dig these materials into soil, to make a soil more acidic — that doesn’t do the trick; sulfur is what’s needed, 3/4 to 2 pounds per hundred square feet for sandy and clay soils, respectively, for each unit of pH change needed.
Blueberries like their roots coursing through soils that are high in organic materials, not rich organic materials such as manure or compost, though. Peat moss is good; I mixed a bucket full of peat with the soil in each planting hole when I planted. To maintain, even increase, levels of organic matter over the years, the ground beneath my bushes, every year, gets blanketed with a 3 inch depth of some weed-free organic material, such as autumn leaves, wood chips, wood shavings, sawdust, pine needles . . . whatever I can get my hands on.
And finally, blueberries need water, especially when young. That initial dose of peat moss along with yearly, organic mulches, helps the soil hold moisture (in addition to many other benefits).
Oh, one more thing: Ninety percent of blueberry roots are in the top 6 inches of soil. Hence their need for moisture. Those shallow roots also compete poorly with weeds. My 900 square foot of 16 blueberry plants is, essentially, a “no weed” zone, thanks to the mulch and occasional weeding.
Tastiest Turnips
Pushing open the gate to exit the blueberry planting, I walk over and pull open the gate to the vegetable garden. There lies a beautiful (to me) row of sweet, succulent turnips. Not just any old turnip, but the variety Hakurei, the best (to me, and many others gardeners and farmers).
Turnips are an underrated vegetable, perhaps because most that you can buy just don’t taste that good and because most that are grown in home gardens are not the best-flavored. The highest praise I know of for turnips is in the novel Tobacco Road, when Lov Bensey walks seven and a half miles to get a sack of winter turnips for fifty cents, which is half of his daily wage. (Admittedly, he was starving.)
So here’s at least the second written accolade for the turnip. When a good variety is planted and it is well grown, it is a sweet, flavorful vegetable excellent raw, pickled, or cooked. The variety to grow is Hakurei and the way to grow them is in rich, well-drained soil with a steady supply of moisture, the latter of which mine get automatically via drip irrigation.
Hakurei turnip
In the past I planted turnips only in late summer for a crop that ripened during the cool weather of autumn. This year I planted an early crop in the greenhouse; that crop was harvested and eaten by mid-June. I had plenty of seed and space in later in spring, so I planted some outdoors then. We’re still harvesting that crop and, despite the hot days, the flavor is excellent. (Cool nights might be helping to maintain flavor.)
Sometime in the next two weeks, I plan to sow seeds for fall harvest. Last year, that crop, harvested before the weather turned too bitterly cold and the soil froze, went into wooden boxes for cold storage, first just sitting outdoors, then carried into the garage, and, finally, carried down to the cool basement. The last of them, still tasty, were eaten March.
HEAVEN AND(?) SOME HELL
The Blueberry Capital
A few turns after Exit 38 on New Jersey’s Garden State Parkway and I, a blueberry nut, soon entered what a visit to Bristol, Virginia would be to a country music nut, what Tupelo, Mississippi would be to an Elvis Presley nut, what Springfield, Massachusetts would be to a basketball nut, what . . . A big, blue sign declares Hammonton, New Jersey the self-proclaimed “Blueberry Capital of the World.” Literally millions of pounds of blueberries are picked and then shipped from this region of New Jersey each summer.
A few more miles and a few more twist and turns through the New Jersey Pine Barrens brings you to Whitesbog, New Jersey, “the birthplace of the domesticated, highbush blueberry.”
Let’s parse that last accolade.
“Domesticated:” Blueberries are a native American fruit that up until the early part of the last century were harvested only from the wild. No one cultivated them! Then Elizabeth White, a cranberry grower in Whitesbog, teamed up with Dr. F. V. Coville of the USDA to study and improve the blueberry. Ms. White instructed her pickers to search out the best wild blueberry bushes, which were moved to her farm. Dr. Coville investigated the rather specific soils (such as those of the Pine Barrens) enjoyed by blueberries (such as those of the Pine Barrens), and further evaluated and bred Ms. White’s selections. And the rest is, as they say, history.
“Highbush:” A number of blueberry species exist but the large berries for fresh eating that you see on market shelves are highbush blueberries, botanically Vaccinium corymbosum. Canned blueberries are usually another species, lowbush, botanically V. angustifolium. Dr. Coville and subsequent breeders have mated these two species as well as a number of other species with the goal of producing the elusive perfect blueberry. (Elusive to blueberry breeders, not to me; I like just about all of them.)
New Blues
After passing field after field of cultivated blueberries alternating with dense woodland, I turned into the parking area of the Marucci Center for Blueberry and Cranberry Research & Extension to meet with USDA research geneticist Dr. Mark Ehlenfeldt.
We looked at the fields of sandy soils formed into caterpillar-like, mulched mounds atop which were planted the bushes. We talked about the various species — V. constablaei, V. darrowii, V. ashei, in addition to the previously mentioned highbush and lowbush — that parented the various bushes.
Best of all, we plucked fruit to taste from many different varieties, some of which I grow and others of which are new to me. A few new ones that really stood out for me were:
•Sweetheart, for its medium-size that ripen early with excellent flavor
Sweetheart blueberry
•Cara’s Choice, also with excellent flavor, in addition to pinkish flowers; ripening mid-season
•Razz, a soft berry with a hint of raspberry flavor, and
•ARS 00-26, a small blueberry with a sweet, wild blueberry flavor.
Another blueberry variety that was very interesting, and perhaps tasty, was Nocturne, whose fruits, as they ripen, go from pink to bright red to blue black, making them very ornamental.
Pink Champagne
Nocturne blueberry
Nocturne fruits are supposed to have a unique flavor, sweet and somewhere between that of highbush and rabbiteye (V. ashei); they weren’t yet ripe so I wasn’t able to taste them. I did get a plant last year that is now ripening fruits so I can soon vouch, or not, for their flavor.
Two hours and many blueberries eaten later, I was on my way home.
Note: Not all the varieties mentioned are currently commercially available.
Beatlemania — I Hope Not
On a negative note, I saw here today (June 29th) the first Japanese beetles of the season, three on some grape leaves and four on some black raspberry fruits. I could just throw up my hands and brace myself for the few weeks of attack. Spraying pesticides is not an option; the beetles feed on hundreds of species. I’d have to spray just about everything here, including fruits ready to harvest, which is a no-no.
I’m hoping the beetles take the same tack they have for the past two years, a few showing up, and then, shortly thereafter, doing about faces and leaving for the season. I have no idea why.
Worst case scenario is that they descend in hordes, in which case I’ll remind myself that plants can tolerate a certain amount of damage, with remaining leaf area working harder to compensate for leaf area chewed away. Also, the beetles make their exit in August.
I pulled the seven beetles I saw off their respective plants, threw them on the ground, and stomped on them. Not out of anger or meanness, though. Beetle feeding attracts more beetles. I didn’t want any invitations for their friends and relatives.
