Scaffold limbs should originate from a spiral arrangement as much as possible so that no limb is directly above the one below it. Select major scaffold limbs growing off the main stem, spacing them a foot or more apart up along the central leader. This promotes growth of a single, upright main stem by pinching back, bending down, or cutting off any competitors for that top position. While they’re young, ensure adequate branch spacing by training the trees to follow what’s known as the modified central leader form.
Chestnuts are primarily wind-pollinated, so the two or more pollenizers need to be within about 200 feet of each other.Ĭhestnut trees require little care beyond their formative stage. You must plant two trees to provide the necessary cross-pollination, so, unless your neighbor has a tree that’s a seedling or is of a different variety, always plant two different varieties. If you’re in a rush for large harvests, plant at half that distance and remove every other tree when they start to crowd each other. Generally, plan on giving a chestnut tree about 40 feet of room in all directions. Planning and Early CareĬhestnut trees need abundant sunlight (six or more hours of direct summer sun) and fertile, well-drained and slightly acidic soil. Chestnut trees can be “luscious landscaping” for any yard, as long as they’re not planted where the sharp burrs that cover the nuts could cause problems when they drop. It’s a beauty, as chestnut trees generally are, with nice form and leaves that retain a fresh glossiness before turning a rich, golden brown in autumn. The tree has both a height and spread of about 20 feet, and it yields more than half a bushel of chestnuts every season. My largest and quickest-to-bear tree, now 12 years old, was actually grown by planting a Chinese chestnut. Given suitable soil and site conditions, Chinese chestnuts and their hybrids grow quickly and start to bear at a young age - typically about their fourth year. The varieties I planted were ‘Bisalta #3,’ ‘Colossal,’ ‘Eaton,’ ‘Marigoule’ and ‘Mossberg.’ I had a relatively small area to devote to chestnuts, and, except for one tree, I chose grafted hybrid varieties that produce large nuts, are resistant to chestnut blight, and are cold-hardy (because the temperature here in New York’s Hudson Valley can plummet to minus 25 degrees Fahrenheit). I planted my chestnut trees here in New Paltz, N.Y., in 1997. A fungus first noted in the United States in 1904 quickly wiped out this native species, but fortunately we can still grow our own chestnuts today because the American chestnut’s Chinese cousin is resistant to the blight that devastated the American species. The majestic American chestnut tree was once common throughout the forests of eastern North America, providing sweet, meaty chestnuts for humans and wildlife.
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