For further information on Robinia pseudo-acacia (var Haudenosaunee ) Black Locust Initiative P.O. Box 321 Jacksonville, New York 14854 These folks have a particular strain that is supposed to grow very straight. Black Locust is a fairly dense hardwood legume tree almost rot proof, fast growing,regenerates from suckers and from cut stumps. It is grown comercially in Hungary primary use is telephone poles.