Douglas County Conservation District
SERVING LANDOWNERS IN DOUGLAS COUNTY COLORADO FOR OVER 56 YEARS
PO BOX 688, 7519A E HWY 86, FRANKTOWN, CO 80116 303-218-2622 DCCDistrict@gmail.com
Centaurea repens Print Fact Sheet
Leaves of newly emerging plants (pictured above) are toothed and covered with fine hair, giving them a blue-green color.
This species forms colonies in cultivated fields, orchards, pastures, and roadsides. Russian knapweed plants spread by black, deep growing roots which penetrate to a depth of over 8 feet. Flowering occurs from June to September.