Please note: Our Plant Encyclopedia is for reference only and does not reflect current inventory or availability.
Fall Sale! 50% off evergreens (excluding boxwoods) and grasses. 35% off shade trees and leafy shrubs. Perennials are $6. Includes potted and BnB (NO WARRANTY). 1 year warranty when purchased at full price. Tree planting is available at 1/2 the original cost.
Premium Cedar Mulch: 3 cubic foot bags are back in stock.
Dark Knight Caryopteris
Caryopteris x clandonensis ‘Dark Knight’
The late-season blue flowers are a really treat. Will almostly completely die back over the winter. Cut back in spring and allow to grow from the roots up.
Light Requirement: | Full Sun |
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Cold Hardiness: | Zone 5 |
Height: | 2 to 3 |
Spread: | 2 to 3 |
Flower: | Light blue to purple. Late summer. |
Foliage: | Silver-green. |
Form: | Loose and wispy. |