Black walnut leaves are compound with an even number of leaflets and being deciduous, drop off in the fall. Did you know? The bark is grayish, dark and deeply furrowed/rough. He demonstrated that the native Texas Black Walnut, Juglans microcarpa, is a far superior rootstock for walnuts growing in high pH soils of Texas than the Eastern Black Walnut, Juglans nigra, or the California Black Walnut, Juglans hindsii. Juglans regia (English Walnut) and Juglans nigra (Black Walnut) are the two most important trees for timber and nuts. TP&W magazine on Facebook. Growth of 10 feet or more the first year has been obtained with the Texas Black Walnut rootstock. Male flowers appear in long catkins, female flowers in small groups at the branch ends. Juglone, a chemical released by black walnut roots, inhibits plants from growing. The nuts are smaller only ½ to ¾ inch in diameter, but have very high quality meat and excellent taste. The dark nutshells are thicker and harder to crack than those of the more familiar English walnut, but the meat has a fine flavor. eastern black walnut Leaf Type: Deciduous Texas Native: Firewise: Tree Description: A large tree to 100 feet tall and a trunk to 3 feet or more, with a straight stem often clear of branches for half of its height, and an open, rounded crown of foliage. For humans, they’re hardly worth the effort to shell, but they provide high-protein snacks for rodents and other wildlife. One example of a tree that uses chemicals to suppress the growth of other plants is the black walnut tree (Juglans nigra), hardy in U.S. Department of Agriculture plant hardiness zones 5 through 9. In Texas, black walnut grows wild in places that have full sun and deep, well-drained soil. http://texastreeid.tamu.edu/, Accessibility, Site Policies & Public Notices. The trunk, branches, and leaves are free of prickles or thorns. Today, this tree is grown commercially in some Midwestern states, not only for wood, but also for nuts. The Texas walnut tree grows to between 10 and 30 ft. (3 – 9 m) tall. Black walnut resists warping and shrinking. In Texas, black walnut grows wild in places that have full sun and deep, well-drained soil. They prefer open, sunny locations but can also be found in forests. Leftover walnut husks stain sidewalks and patios, and have been used to make inks and dyes. Walnut, Texas Common Name: Texas Walnut Juglans microcarpa Tree Size: Medium Leaf Type: Deciduous Comments: A small version of the black walnut. The Black walnut tree is an amazing piece of nature. Gun stocks made of it are reported to have less recoil. Accessibility, Site Policies & Public Notices Today, this tree is grown commercially in some Midwestern states, not only for wood, but also for nuts. It prefers river bottoms and hillsides facing north or east. In drier parts of Texas where J. nigra doesn’t grow, you may see its smaller cousin, the nogalito or little walnut (J. microcarpa). Walnut trees can grow to between 35 and 130 feet tall with the tallest living specimen found in Sauvie Island, Oregon and measures an astonishing 112 feet tall with a 144 foot crown. In spite of this, black walnuts make great shade trees for larger properties. Black walnut releases a chemical compound from its roots, called "juglone," into the soil which inhibits the growth of nearby plants. That’s one reason black walnuts aren’t as common here as they once were. Male and female flowers borne separately on the same tree in early spring; the male flowers as stout, greenish-yellow catkins 2" to 5" long; female flowers occur in groups of 1 to 4 on new growth at the end of twigs. Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to North America. However, its timber and fruit are insignificant and are of little use. Walnut trees are in the same family as pecans and hickories, and are similar in appearance. Black Walnut trees are spaced at 30-40 foot intervals and are self-fertile trees. Can grow to 150 feet, but 50 to 75 feet is more typical. Nuts ripen in October or November. The round, green husk of a walnut does not have seams. The next tree in our unique tree series is native from South Dakota to Florida and follows the eastern edge of the Cross Timber region to Central Texas. Willis Orchard Company offers Black Walnut trees for sale up to 4" in caliper for $599 each for those who are serious about getting fruit instantly. This shrubby tree, found in rocky stream bottoms and dry river beds, rarely grows more than 20 feet tall. Black Walnut trees can grow up to 100 feet tall and their trunks can be over 36 inches in diameter. Alternate, once-compound, 12" to 24" long, yellowish-green in color, pubescent beneath, consisting of 15 to 23 leaflets, each 3" to 5" long and 1" to 2" wide, the largest ones in the middle of the leaf, finely-toothed along the margin and tapering to a long point at the tip. The Texas Walnut is a small to medium sized shade tree and is typically found near streams and rivers and looks right at home in any Houston landscape. Although its post-life uses are many, the tree itself can make a lovely addition to any piece of land. A large, round nut, borne singly or in pairs, 1.5" to 2.5" in diameter, enclosed in a solid green, leathery husk that does not split even after ripening; the nut is black, with a thick, hard, finely-ridged shell that holds the oily, but edible, kernel. The foliage turns yellow in fall. The majority of the Walnut slabs and lumber at Berdoll Sawmill are milled from salvaged Black Walnut trees, a Texas native. Works well as a highway planting or in a park setting. The dark heartwood from these logs is usually fairly clear with few defects. Thick, dark brown, with blocky or rounded ridges divided by deep fissures. The heartwood is a deep chocolate brown, contrasting with cream-colored sapwood. It adapts easier to various soils in Texas and should be grown more than the regular black walnut. The chocolate-brown heartwood is heavy, hard and strong, and is surrounded by a thin band of cream-colored sapwood. Pecans develop inside a seamed outer husk that splits open to release the ripe nut. Wild trees in the upper Ottawa Valley may be an isolated native population or may have derived from planted trees. It is a slow … Walnut seedlings take 7-10 years to fruit, so plant as large of a tree as possible to achieve production sooner. The wood is free from warping and checking, takes a high polish, and is durable, making it highly prized for furniture, cabinet work, and gunstocks. Unique Trees of North Texas: Black Walnut (Juglans nigra) By Jeremy Priest. All walnut leaves and fruit are strongly scented when bruised. Also known by its botanical name Juglans microcarpa, this is a smaller version of its relative the Black Walnut, so it's an ideal tree for any size yard that could use a beautiful tree that can also provide a nice amount of shade. It’s a large tree with ridged, dark-brown bark and an open, rounded crown. This property is called "allelopathy" and plants that do this are called "allelopathic. Given time and favorable conditions, it can grow to 150 feet, but 50 to 75 feet is more typical. Fruits of this species, including the outer hull, are usually under an inch in diameter. Give the gift of the great outdoors this holiday season. They commonly grow to 50 feet or taller and about as wide, but specimens of more than 100 feet have been recorded. If left on, it will eventually turn brittle and black. One sure way to tell the difference is to look at the developing fruit.