Brown Knapweed
Formats
Splendid purple flowers. Perennial. 10-80cm tall. Easily grown. Attracts butterflies and bees. Border plant. Medicinal.
Soak the seeds in cool water for 24 hours before sowing at temperatures of 18ºC night/20ºC day.
Use
Edges, Cottage garden, Dried flower, Wild garden, Urban garden, Baskets & Containers, Medicinal, Landscaping
Calendar
Zone map
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Flowering
| Flower colour | Purple |
|---|---|
| Flowering period | June, July, August, September, Summer |
Botanical information
| Botanical name | Centaurea jacea |
|---|---|
| Life cycle | Perennial |
| Wildlife | Bees, Butterflies |
When to plant?
| Sowing period | February, April, May, October, November, Spring, Autumn, Winter |
|---|---|
| Germination (days) | 7-14 |
| Average germination (%) | 80 |
| Seeds per gram | 250 |
Where to plant?
| Type of use | Edges, Cottage garden, Dried flower, Wild garden, Urban garden, Baskets & Containers, Medicinal, Landscaping |
|---|---|
| Exposure | Sun |
| Soil moisture | Well-drained |
| Hardiness | Non hardy |
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Our nursery has been flooded
Storm water has reached the nursery and we will not be able to ship orders for at least a week. We do not expect to resume dispatch before Monday 26 October.
The shop is still open and you can keep ordering, but your order will not leave until then. We will post an update here as soon as we are shipping again.
Thank you for your patience.