Butterfly Bush - Buddleja davidii &lsquo;Black Knight&rsquo; - Healthy Plant/Bush - 2.5" Potted - 3 Pack By Growers Solution Purchase 3 healthy 2 1/2" potted Black Knight Butterfly Bushes tall. Ready for shipping! All orders to California will be shipped bare root in accordance with their state regulations. Use the butterfly bush as a border, fragrant hedge, cottage garden and in flower beds. Beautiful deep purple showy flowers will accent this fast growing shrub. Flowers are attractive to butterflies, hummingbirds and bees. ALL PLANTS TO CALIFORNIA WILL SHIP BARE ROOT IN ACCORDANCE WITH YOUR STATE REGULATIONS. *Images are for reference only and are of mature plants * In winter all plants will ship dormant (without leaves).