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Centaurea nigra (Knoopkruid)

EUR 0.35

Hoogte: 60 cm.

Bloeit: jun-aug

Type: HP

Winterhard in: zones 4-9 (-20 C)


 

Inheemse korenbloemsoort maar ook heel geschikt voor de border. Lokt tientallen bijen.


 

Zaai-instructies: Donkerkiemer. Kiem in 2-4 wk, 18-23C

Plant-instructies: Kalkrijke grond, zonnige plek

 

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Also known as Black Knapweed or Hardheads. A common and familiar plant with thistle like flower heads but spineless leaves and stem. The flower heads are purple or occasionally white and exist in two forms, rayed and un-rayed. The seeds were taken from plants with un-rayed flowers. Behind the flower is a hard head of overlapping bracts which sits upon the slightly swollen end of the stem.

 

Height: 60 cm.

Flowers: jun-aug

Type: HP

Hardy in: zones 4-9 (-20 Celsius)

 

Sowing instructions: Needs dark to germinate. Will do so in 14-30 days at 18-23 Celsius

 

Planting instructions: prefers a sunny spot in light, well drained soil.

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