Dark Purple Knapweed (Centaurea purpurea) organic seeds
- Upright growing shrub that forms crimson, basket-like, flaky blossoms from July to August.
- Contents: Approx. 20 seeds
- Open-pollinated variety, seed tested regularly
Regular price:
€3.59
Product number: CEN03-BIO GTIN: 4251420505699
Description
Dark purple knapweed owes its name to the deep purple flower heads, which contrast strikingly with the surrounding green. As well as attracting attention, these vibrant flowers attract a wide range of pollinators such as bees and butterflies, making them an excellent choice for bee hives and wildlife gardens.
Its attractive flowers and upright growth make it a popular choice for herbaceous borders, borders and wildflower meadows. It offers a long-lasting display of colour and form from early summer through to autumn.
The genus Centaurea, to which the dark purple knapweed belongs, has a long cultural and medical history. Many species have been used in traditional medicine, and the name is thought to derive from the mythological figure of Chiron, a Zentaur known as a healer.
Its attractive flowers and upright growth make it a popular choice for herbaceous borders, borders and wildflower meadows. It offers a long-lasting display of colour and form from early summer through to autumn.
The genus Centaurea, to which the dark purple knapweed belongs, has a long cultural and medical history. Many species have been used in traditional medicine, and the name is thought to derive from the mythological figure of Chiron, a Zentaur known as a healer.
Plant profile
| Plant type | Herbaceous plant |
|---|---|
| Use | Cut flower, Ornamental plant |
| Lifecycle | Perennial |
| Species | Asteraceae |
| Region of origin | Eastern Europe |
| Characteristics | Food for bees, Needs light to germinate |
| Eventual height | 80-120 cm |
| Flower colour | Purple |
| Flowering months | August, July, June |
| Winter hardiness zones | 6 (-23 bis -18 °C) |
Growing instructions
| When to sow outdoors | April, May |
|---|---|
| Sowing depth | 0 cm |
| Germination temperature | 10-18°C |
| Germination time | 1-2 weeks |
| Climate | Temperate |
| Soil type | Dry, Free-draining, Fresh |
| Sunlight | Full sun, Shade |
| Water requirement | Medium |
| Planting distance | 50 cm |
Sowing and care
Perennial flowering plant. Pre-culture in house from March. Direct sowing outdoors possible from mid-April. Light germinator, just sprinkle the seeds on the substrate and press lightly. Germinates well at temperatures between +12-18°C within 14 days. Loves sunny to semi-shady locations.
Other names
Botanical name: Centaurea atropurpurea
German: Purpurne Flockenblume
English: Very dark purple knapweed
French: Centaurée pourpre
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