Brown Knapweed
Centaurea jacea
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Buy Seeds of Brown Knapweed - CENTAUREA JACEA - The Original Garden
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.
Life cyclePerennial
Flower colourPurple
ExposureSun
Average germination80
HardinessNon hardy
Seeds per gram250
Soil moistureWell-drained
Use
Edges, Cottage garden, Dried flower, Wild garden, Urban garden, Baskets & Containers, Medicinal, Landscaping
Calendar
Zone map
Sow outdoors
February, March, April, May, October, November
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Flowering
June, July, August, September
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Flowering
| Flower colour | Purple |
|---|---|
| Flowering period | June, July, August, September, Summer |
Botanical information
| Common name | CENTAUREA JACEA - Brown Knapweed |
|---|---|
| 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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