How to plant Morocco knapweed seeds from the March issue

On the cover of the March issue you'll find a packet of Morocco knapweed seeds. Here we explain how to plant them. Seed packet illustration by Hannah McVicar. 


Morocco knapweed

(Valutaria muricata 'Desert Star')

Easy-to-grow, lilac, thistle-like flowers with soft, creamy centres that create an airy, informal display. Loved by bees, butterflies and overflies, they will flower all summer long. Often labelled incorrectly as Amberboa muricata.




SOW March to April (indoors), April to May (outdoors)
FLOWERS July to October

Sow indoors, March to April, 0.5cm deep in a seed tray. Cover with fine compost and keep moist. Transplant seedlings to 5cm apart when they are large enough to handle. Harden off in May and transplant to final position. Or sow outdoors, April to May, 30cm apart, in flowering position. Keep moist and weed free.

For more hints and tips please visit

Seed packet illustration by


Seed packets only available on UK copies




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