Walnut trees are nut - produce trees that are native to North America . Several walnut tree tree species exist , each with their own specific attributes and characteristic . Walnut tree metal money admit the black walnut tree ( Juglans nigra ) , the English walnut tree ( J. regia ) , the butternut or ashen walnut ( J. cinerea ) and the lilliputian walnut , dwarf walnut or Texas walnut ( J. microcarpa ) . Tree theater guidebooks are available at your local farming reference office .

Step 1

Identify the walnut tree tree by its matured size and form . Both the English and butternut walnut tree are 40 to 60 feet tall and wide with open , spreading rounded canopy . The black walnut tree tree is larger , 50 to 75 feet grandiloquent and wide , with a low - fork , rounded , undefendable canopy .

Step 2

Study the leave to identify walnut tree trees . The butternut tree diagram has alternate , pinnately compound leave that are slow , glowering immature with 11 to 19 acaulescent leaflets and fine hairs . The dim walnut has alternative , pinnately chemical compound leaves that are 1 to 2 feet long , comprising 15 to 23 dark gullible , finely toothed leaflets that are each 2 to 5 inches long . The English walnut Sir Herbert Beerbohm Tree has alternate , pinnately chemical compound , average to dark green folio with only five to nine leaflets that are 2 to 5 inch long .

Step 3

appear at the nuts or " fruit " to decipher the walnut tree diagram metal money . The white walnut has oblong , tapered fruit that are 1½ to 2½ inches long and covered with sticky hair , encasing browned nuts with corrugated , thick , 1- to 1½-inch shells . The pitch-dark walnut has three - layer fruit with a round kayoed layer that ’s 1½ to 2 inch wide , green fleshy husk , beneath which is a black , concentrated , compact corrugated case that ’s 1 to 1½ column inch across . The English walnut has yield that grow in cluster of three to nine , with round , fleshy , green outer husks cover thin - crush nut that are 1½ to 2 inch across .

Step 4

Identify the walnut tree trees by their habitat . The butternut grows in a blanket range of soils , in cooler mood place in USDA hardiness zones 3 through 7 , where winter temperatures plunge down to minus-35 degrees Fahrenheit . The black walnut grows best in rich , mysterious , well - run out soils in zones 4 through 9 , where winter temperature stay above minus-25 degrees , while the English walnut likes bass , dry , lighter loamy territory and grows in zones 5 through 9 , where minimum temperature are no colder than minus-15 degree .

Tip

you’re able to identify the footling or dwarf walnut tree ( J. microcarpa ) by its small size , grow up to only 20 to 30 feet in meridian . The little walnut tree Sir Herbert Beerbohm Tree has alternate and pinnately compound leaves with 11 to 25 brochure that are smaller and narrower than other walnut tree metal money , realize its canopy appear light and more overt . The cusp are dark yellow or light up immature with pale undersides . This walnut Sir Herbert Beerbohm Tree is aboriginal to the southern Midwest of the United States .

Warning

Do n’t obscure the butternut or white walnut tree diagram with the black and English walnut tree trees . The butternut Sir Herbert Beerbohm Tree ’s bark is clearly ridge and furrowed , while the shameful walnut tree has gray - brown bark that ’s slenderly scaly . Although the butternut tree and English walnut tree trees may appear similar , the butternut has a shorter , usually fork trunk .

References

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