Lo & Behold Buddleia x 'Purple Haze' PPAF - Butterfly Bush-4"Pot-Proven Winners Lo & Behold 'Purple Haze'Butterfly Bush Buddleia x'Purple Haze'PPAF; PBRAF Hardy Zones: 5-9. Mature Height: 24-36" Color of Bloom: Blue-Purple. Months of Bloom: Summer-Early Fall Prefers full sun Immediate shipping. Size shipped: 4" pots