Genus guide
Centaurea — 9 species
Part of the Daisy & aster family family (Asteraceae)
All Centaurea species we cover
- Bachelor's button
- Black Ball cornflower
- Blue Boy cornflower
- Centaurea 'Amethyst in Snow'
- Common Knapweed
- Cornflower
- Greater Knapweed
- Mountain Cornflower
- Sweet sultan
Centaurea — frequently asked questions
Are Centaurea plants toxic to cats and dogs?
Most Centaurea are pet-safe. Of the 9 Centaurea species we cover, 8 are non-toxic on the ASPCA list and 1 carry a toxic or mildly-toxic rating. Even so, confirm the individual species before trusting it around pets.
How much light do Centaurea plants need?
Most Centaurea do best in direct sun. If yours stretches toward the window or loses its variegation it wants more light; scorched or bleached leaves mean it is getting too much direct sun.
Are Centaurea easy to care for?
Some Centaurea suit more experienced growers — several want strong light, sharp drainage or a specific seasonal rhythm. Check the individual species page for the exact regime.
How many Centaurea varieties are there?
Growli's care library covers 9 Centaurea species and varieties — browse them all above. They share a similar light, water and soil pattern, so once you learn one Centaurea, the rest follow closely.
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