Hawkweed – Canada

Hieracium kalmii

Family Aster (Asteraceae)
Bloom Summer
Habitat Meadows, fields, roadsides
Status Non-Native
Cycle Perennial
Height 1-3′
Flower Plants have 4-10 dandelion-like, bright yellow flowers about 1″ wide that grow on a single stalk. They typically open one at a time. It is a composite flower made up of 20-30 individual flowers.
Leaf Leaves are linear, coarse-toothed, basal 2-5″ long.
Notes Flowers close at night and on cloudy days.


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