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Interesting
History English walnuts are commonly referred to as Carpathian walnuts. The Carpathian strain of the English (Persian) walnut. (Juglans regia) was introduced into Canada and the U.S. in the early 1930’s from northern Poland by Rev. Paul C. Crath. These Carpathian walnuts are cold hardy and tolerant of short summers and may escape late frosts by remaining dormant in early spring. Their kernels also mature in a short growing season. In some years, several hot, sunny days before mid May in northern areas may cause the trees to break dormancy too early and lead to freezing or cold injury of the blossom buds. Early bud break is the biggest problem encountered in growing English Walnuts. Another common problem is susceptibility of fruits to damage from the walnut husk fly larvae. |
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