Betula nigra Betula nigra Betula nigra, the black birch, river birch or water birch, is a species of birch native to the Eastern United States from New Hampshire west to southern Minnesota, and south to northern Florida and west to Texas. It is one of the few heat-tolerant birches in a family of mostly cold-weather trees which do not thrive in USDA Zone 6 and up. "B. nigra" commonly occurs in floodplains and swamps. "Betula nigra" is a deciduous tree growing to with a trunk in diameter. The base of the tree is often divided into multiple slender trunks. Bark Bark characteristics
Bark spud (tool) Bark spud (tool) The Bark spud, (also known as a Peeling Iron, Peeler Bar, Peeling Spud, or abbreviated to Spud) is an implement which is used to remove bark from felled timber. Most bark spuds have steel heads and wooden handles, typically hickory or ash. The head is curved, sometimes in one direction with a single cutting edge, and sometimes more dish shaped and sharpened on three sides. In use, the sharpened edge is slid between the bark and the wood, removing the bark from the tree in a number of strips. It is especially useful at removing bark without