Centaurea nigra
Centaurea nigra
Regular price
£8.99 GBP
Regular price
Sale price
£8.99 GBP
Unit price
/
per
Centaurea
nigra
(Common Knapweed)
Perennial cornflower, a free flowering and easy plant to grow, responds well to staking when in flower.
Finely divided light green leaves with grey undersides and open striking purple flowers are produced at the end of each stem.
- Height: Easily maintained to 1m
- Spread: Easily maintained to 50cm
- Foliage Colour: Grey-green leaves
- Flower Colour: Purple
- Flowering Season: Summer
-
Soil Type: Moist, well drained, sandy, chalk, clay, sand
- Position: Full Sun - Semi Shade
- Hardiness: Fully Hardy once established, H6 (-15 and below)
- Type: Herbaceous Perennial
Herbaceous Perennial
Hardy
Grown in a 2 Litre pot