The Black Oak is very similar to the Red Oak, one of the main difference is that the Black Oak will thrive in poor soil conditions. This deciduous tree has deeply furrowed bark and on mature trees the bark is almost black. Black Oaks grow well on slopes and ridge line. The leaves of this oak have a soft velvet underside, and will produce a large crop acorns to help feed the wildlife in your area. This Oak can grow to 60-70 feet with an 40-50 foot spread. Will grow well in zones 3-8.