Walnut tree: Learn the best practices to grow

Learn the best practices to grow and care for a walnut tree. Our full guide covers everything you need to grow & harvest your own walnuts. Learn about Walnut Tree (Juglans regia): classification, structure, uses, and its economic importance for NEET, CBSE, and exam preparation. In this article, we will explore 19 types of walnut trees, complete with pictures and identification tips to help you distinguish between the different varieties. Walnut trees are late to grow leaves, typically not doing so until more than halfway through the spring. Walnut hulls contain diverse phytochemicals, such as polyphenols, that stain hands and can cause skin irritation.