The showy flowers on this shrub are much loved by its namesake, the butterfly. It prefers well-drained soil and a once to twice weekly watering regime. The felty leaves are green above, gray below. Flowers appear in June-July on last year’s growth; prune out oldest wood to the ground. Flowers are 6-12 in. long in shades of blue, purple, lilac, pink and white.
B. alternifolia (Fountain Buddleia) — 12 ft. tall by 8 ft. wide; fragrant lilac flowers (can train as tree)
B. davidii (Summer Lilac) — grows 10 ft. tall by 8 ft. wide; fragrant; various colors