Emperor William organic knapweed

$ 4,50

Centaurea cyanus, Asteraceae

blueberry, bell-breaker

Knapweed 'Emperor William' is the last of the old cultivars of the splendid navy-blue single-petaled knapweed, close to the wild species. Knapweed flowers are edible and medicinal. They are used mainly for eye inflammation and irritation, but also to relieve bronchial congestion and coughs. An easy-to-grow annual that tolerates drought once established. 60-90cm.

about 100-125 seeds

Seeds certified organic by Québec Vrai,produced here at LA SOCIÉTÉ DES PLANTES, Kamouraska, Qc

In stock

Sow on site in spring as soon as the soil can be worked, 5 cm apart, thin to 15 cm for optimum development. Germination: 7-12 days at 15°C-18°C. Likes cool nights.


 

# of the lot for sale

SDP22

Germination rate for 2025 of the lot on sale

88%

Test germination conditions

Darkness, 15ºC to 18ºC

Number of seeds per bag

110

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