Resources
Early Walnut Tree Training: How to Handle Different Nursery Products
Early walnut tree training begins at the time of planting either a rootstock or a “finished tree” (grafted or budded with the English variety) through the “first leaf” (first growing season of English scion in the orchard).
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Walnut Propagation
Many different types of propagation are used in the walnut nursery industry to create finished propagated trees for orchard planting including sexual propagation (rootstocks only), micro-propagation, cuttings, budding, and grafting.
Managing walnuts for cold temperatures
There are two types of cold damage that can happen to your walnut trees when winter arrives. Autumn frost damage occurs if the temperature drops below freezing rapidly in the late fall or early winter following mild warm autumn weather. This type of autumn frost often damages vigorous non-dormant young trees.