(Robinia pseudoacacia) Perennial. Zones 4-8. Black Locust is a stately, native tree; reaching 100  feet and offering incredibly beautiful, fragrant white flowers in early Summer. The bark of older trees, ...

(Gleditsia triacanthos inermis) Deciduous. Zones 4 - 9. Honey Locust is an old-time, native tree often seen lining the streets of the longest standing settlement towns. Honey Locust is a fabulous,...