Black Locust, Yellow Locust
Scientific Name: Robinia pseudoacacia L.
Synonym: Robinia luxurians, Robinia subvelutina, Robinia breviloba
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Picture U.S.D.A Forest Service, Courtesy of the Hunt Institute
Recommended Temperature Zone:|
sunset: All zones
Sun Exposure: Full sun
Origin: Eastern United States
Growth Habits: Deciduous tree, rapidly growing to 40 to 60 feet tall (12-18 m) or more; trunk 12 to 30 inches in diameter (30-75 cm); thick bark with deep furrows; leaves 8 to 14 inches long (20-35 cm), with 7 to 19 leaflets, folding in the evenings
Watering Needs: Little to no water when established
Propagation: Seeds that keeps for many years, but need scarification or other treatment to breach their coat before they will germinate, root suckers, hardwood cuttings
The showy, aromatic, inflorescence is a large, pendant raceme, appearing in May or June. It is edible, I have seen it used for the preparation of delicious fritters. The flowers are creamy white.
The fruit is a brown flattened pod, 2 to 4 inches long (5-10 cm), ripening in September and October.