Butterfly Bush ‘Black Knight’ is a deciduous shrub that blooms aromatic, dark violet-purple flower spikes summer and fall. Grows in a bushy, arching habit with gray-green leaves. Use in pots, borders, as a pollinator attracting accent.
- Landscape Size: 6‘-10‘ tall, 6′-10’ width
- Light Requirement: Full Sun
- Water Needs: Moderate
- USDA Zone: 5a
- Growth Habit: Upright, Arching
- Growth Rate: Fast
- Attributes: Deer Resistant, Attracts Bees, Attracts Hummingbirds, Attracts Butterflies, Long Bloom Season, Fragrant Flowers
See Green Thumb Guide below for region specific information.
Performs best in enriched, well draining soil. Apply a flower fertilizer in spring. Remove spent flowers to give a clean appearance while promoting new blooms. Prune in late winter to early spring.
These characteristics apply to the greater Sacramento area and nearby regions.
Live outside of our area? Please check with your local cooperative extension for the best growing practices in your neck of the woods
Visit: UC Cooperative Extension Offices(Opens in a new window) (Opens in new window)
Visit: National County Extension Offices(Opens in a new window) (Opens in new window)
| options | 1 gal, 3 gal, 5 gal |
|---|
