- Butterfly Bush Summer Lilac Buddleia davidii Bicolor VERY Birds & Butterflies love the honey fragrance!Sunlight exposure = full-sunWe ship within one to two business days of your orderAll seeds have been tested for viabilityAll seeds have been tested for viabilityOur customers come first - We are on standby to answer your questionsThe seedlings or plants you receive are sun-loving trees and will thrive in any soil that is well-drained.