Landscape Notes: ‘Blue Knight’ forms a dense clump of minty green leaves. Incredibly long, 10-12”, outward-facing flower panicles open light lavender purple and deepen to blue-purple with age. The new and the aged flowers appear on the panicles at the same time, giving the flower an interesting two-tone effect. This plant has incredible flower coverage, giving you quite the performance when it starts its first flush of blooms in late summer.
Exposure/Culture: They perform best in a full to mostly sunny location in average moist well-drained soils but are somewhat drought resistant once well-established. Butterfly Bushes are deer and rabbit resistant and few other pests or diseases will bother them when they are grown under good conditions.
Other Notes: Butterfly Bushes have certainly earned their place in the garden over the years, and its easy to see why. Just when we need a breath of fresh air in the late summer heat, they happily burst into bloom. At a time when many other plants are already spent, buddleias are just beginning their show. Their passive coloring and texture makes a wonderful backdrop for perennials, and you'll love the butterflies, bees, and hummingbirds that flock to their honey-scented blossoms.
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Genus |
Buddleia |
Species |
Blue Knight' |
Container Size |
3 Gallon |
Foliage Color |
Green |
Mature Height |
3 - 4 Feet |
Mature Spread |
5 - 6 Feet |
Soil |
Well Drained |
Zones |
5 - 10 |
Mature Form |
Spreading |
Growth Rate |
Fast |
Sun Exposure |
Full Sun |
Flower Color |
Blue Shades |
Fall Color |
Green |
Bloom Period |
Late Summer to Early Fall |