Deciduous trees with composite. The branches break off very easily.
As trees in sheltered positions; also as shrubs, and possibly for pleaching.
Any standard garden soil.
From, by , or by grafting.
Robinia hispida, rose acacia: Height 1.5 m; twigs without spines; large rose-redin early summer; very attractive.
Robinia kelseyi: Height to 3 m; 6 cm long clusters of carmine-redin early summer; beautiful. Robinia pseudoacacia, false acacia: Height to 25 m; spiny bare branches. White or pink flowers in early summer, but much less conspicuous than the previous species. The finest cultivars are ‘Frisia’, to 6 m, yellow foliage and red thorns; ‘Tortuosa’, to 3 m, freakishly tortuous branches: ‘Umbraculifera’, height to 7 m, spherical, densely branching crown.