Buddleia davidii Groovy Grape™; (Groovy Grape™; Butterfly Bush)Drought tolerant Attracts butterflies and hummingbirds Fragrant purple blossoms Excellent cut flowers Groovy Grape has a rounded to upright habit with arching 8 10 long rich, violet purple flowers. Amazingly fragrant flowers will bloom into fall when deadheaded. Easily rejuvenated by pruning back to 12 from the ground, Groovy Grape is crown hardy in zone 5 and will flush from the base in spring. Hardiness Zone 5 9 Height 8 10 ft Spread 6 8 ft