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Centaurea stoebe ssp. stoebe

Centaurea stoebe ssp. stoebe

Synonym(s) Centaurea maculosa
Common name spotted knapweed
Family asteraceae
Life cycle biennial/perennial
Flowers lavender (summer)
Size to 4'
From seed germinate at room temperature
detailed seed-starting info below

From internet descriptions, I gathered this is mostly a weed. But we grow lots of weeds, so this one got its chance in our garden as well. Sure enough, it's not the most refined of garden plants. In their first year, the plants stay almost unnoticed as tidy rosettes at ground level. In the summer of their second year, they grow more upright, with narrow gray-green leaves sparsely arranged on stiff stalks. I gather they typically grow tall and upright as wildflowers, but in the conditions I provided, they're staying lower to the ground. Once open, they look like any knapweed (or bachelors button) flowers. I'll watch their habit through the rest of the year, to decide if they can come back for another season (they make the decision for me, if they decide to be biennials!). I'm careful with centaureas, since they do tend to reseed strongly.

This plant used to grow in our garden, but it slipped away...

One or more images of this plant are included in my stock photo catalog

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Seed-starting details for this plant

  1. Seed from '05 trade. Baggy 70F (93%G, 4d)

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