Hairy Bittercress

(Cardamine hirsuta L.)

Brassicaceae (Mustard Family)

▲ young plants

mature plants ▲▼

flowers and fruit ▲

basal leaves▲

Hairy Bittercress:  (not in Weeds of the Great Plains; pp. 174-175, Weeds of the Northeast)

·         cool-season annual/winter annual with rosette of pinnately rounded lobed leaves (2-5” long)

·         long hairs on base of petioles

·         rosette leaves persist until flowering commences

·         flowering stem is 4-12” tall, with little branching, white flowers followed by 1” long slender green to purplish pods

·         common in greenhouses, nurseries, shaded landscapes, turf, container crops

·         similar to sibara, but basal leaf lobes broader and seed pods less flattened than those of sibara