Juglans nigra English or Persian walnut, but thrives best in the warmer regions of fertile, lowland soils with high water tables, although it will also grow in drier soils, but much more slowly. Some soils preferred by black walnut include Alfisol and Entisol soil types. Walnut grows best on sandy loam, loam, or silt loam type soils but will also grow well on silty clay loam soils. It prefers these soils because they hold large quantities of water which the tree draws from during dry periods. Visually, black walnut is similar to the butternut ("Juglans cinerea") in leaf shape, and the range
Hickory Hickory Hickory is a type of tree, comprising the genus Carya (, "káryon", meaning "nut"). The genus includes 17 to 19 species. Five or six species are native to China, Indochina, and India (Assam), as many as 12 are native to the United States, four are found in Mexico, and two to four are from Canada. A number of hickory species are used by man for products like edible nuts (pecans) or wood. Hickories are deciduous trees with pinnately compound leaves and large nuts. Hickory flowers are small, yellow-green catkins produced in spring. They are wind-pollinated and self-incompatible. The fruit