Welcome to our Plant Library! This is a new feature on our website to showcase the vast selection of plants that we carry across different seasons. We are continuously adding products, so if you are looking for a specific plant not listed below, we encourage you to call or visit to see if we have it in stock!
Black Knight Butterfly Bush
Botanical Name: Buddleja davidii ‘Black Knight’
Common Name: Black Knight Butterfly Bush
Mature Height and Width:
6–8′ tall × 5–7′ wide
Growth Habit: Upright, arching deciduous shrub with an open, vase-shaped structure. Produces long flowering panicles on new growth. Naturally airy and layered with visible interior branching. Fast-growing.
Foliage Description: Lance-shaped gray-green leaves with a slightly silvery underside. Medium texture with a soft matte appearance. Deciduous in Zones 5–7.
Flower Description: Long, tapering panicles in deep, dark violet-purple — among the darkest of butterfly bush cultivars. Flowers feature small orange centers. Panicles typically 8–12 inches long and arch slightly outward.
Bloom Time: Mid-summer through early fall (blooms on new wood)
Fall Color: Foliage drops without significant fall coloration.
Light Requirements: Full sun for best flowering and strongest structure.
Hardiness Zone: USDA Zones 5–9
Notable Landscape Uses:
Pollinator gardens; mixed shrub borders; backyard focal shrub; informal hedges; cottage gardens; summer anchor plant; naturalized plantings; large-scale perennial borders.
Deer Resistance: Moderate
Butterfly bush is generally not a preferred browse, though tender new growth may be sampled under pressure. Established plants typically recover well in Zones 5–7.