This clumping, robust perennial has unusual ramrod-stiff flower stems that bloom from early summer through late summer. Its fat, rusty buds open into large, deep yellow thistle flowers the size of a small fist. Easy to cut and dry for arrangements. This plant has big, coarse leaves that call for strong companions.
Noteworthy CharacteristicsA tricky plant to work into a perennial garden because it draws a lot of attention.
CareGrow in moist soil in sun or partial shade.
PropagationStart seeds in a cold frame in spring, or divide plants in spring or fall.
ProblemsWhite mold, rust, mildews, thread blight, and Southern blight.
Fine Gardening Recommended Products
XLUX Soil Moisture Meter
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Dramm 17050 50′ ColorStorm 1/2″ Standard Soaker Hose
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
Morvat Heavy Duty Brass Y-Valve
Fine Gardening receives a commission for items purchased through links on this site, including Amazon Associates and other affiliate advertising programs.
- Genus : Centaurea
- Plant Width : 1 to 3 feet
- Zones : 3, 4, 5, 6, 7, 8, 9
- Plant Height : 3 to 6 feet
- Light : Full Sun to Partial Shade
- Moisture : Medium Moisture
- Plant Type : Perennials
- Bloom Time : Summer
- Plant Seasonal Interest : Summer Interest
- Flower Color : Yellow
Plant Characteristics are only available to Fine Gardening members
Sign up for a free trial and get instant access to our complete plant guide as well as our entire collection of articles and videos.