$8.99
Bright purple 1-1.5" across thistle-like flowers enclosed in glossy, light brown bracts on strong, stiff stems. Blooms for 2-3 weeks in the early-summer. Commonly called knapweed or hardheads. Good cut and dried flower.
Out of stock
A very common perennial of grassy places; tall (up to about 2 feet) with blue thistle-like flower heads and narrow-oval leaves. Important for Gatekeeper butterfly, Goldfinch, Honey bee, Large skipper, Lime-speck pug moth, Meadow Brown, Painted lady, Peacock, Red admiral, Small copper, Small skipper
| Common Name | Common Knapweed, Hardheads |
|---|---|
| Botanical Name | Centaurea nigra |
| Container/Amount | 1 gallon |
| Evergreen or Deciduous | Deciduous |
| Hardiness Zone | 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b |
| Growth Rate | Average |
| Light Requirements | Part-sun, Sun |
| Height | 2 ft. |
| Width | 1 to 2 ft. |
| Soil Condition | Well-drained |
| Water Needs | Average |
| Blooming Period | early summer |
| Flower Color | purple |
| Fragrance | No |
| Foliage Color | green |
| Deer Resistant | Yes |
