Field Guide

American water willow is common on gravel bars and other stream banks throughout much of Missouri. The dense colonies of emergent stems have leaves like a willow’s, but the two-lipped flowers resemble little orchids.

Dead nettle, like its close relative henbit, is a common, weedy mint that, in early spring, can carpet wide patches of disturbed ground. Recognize dead nettle by the pyramidal look of its purple- or blue-tinted foliage.

In summer, you’re almost guaranteed to see big colonies of crown vetch along Missouri's highways. This weedy nonnative plant stabilizes the dirt after road construction but degrades our natural ecosystems.

An annual, spring-blooming wildflower, Miami mist has loose coils of small blue flowers with distinctive, delicate fringes on the petal lobes.

Ironweeds are tough, grayish-green, branching plants known for their fluffy-looking clusters of reddish-purple florets. They are a familiar sight on roadsides and pastures. Identify western ironweed by the bracts at the base of the flowerheads.

Heralding a new growing season, harbinger of spring can bloom as early as January in Missouri. You will probably have to look closely for its small clusters. But after a long winter, what a welcome sight they are!

Wild onion is edible and is also favored by native-plant gardeners, who enjoy its showy umbels of pink flowers and tolerance of dry, rocky sites. This Ozark species blooms in summer and fall.

Spotted knapweed is an invasive plant that outcompetes native communities, takes over pastureland, and even beats back invasive sericea lespedeza! It has arrived in our state. Let’s prevent its spread.

Mist flower, or wild ageratum, is a vigorous native perennial bearing fluffy-looking, bluish-purple flowerheads. It looks quite a bit like the annual ageratum that is sold as a bedding plant in garden centers.

Woollen breeches bears clusters of light blue, bell-shaped flowers. The lower leaves of this hairy plant are shaped something like maple leaves and often have grayish or light green marks that look like water stains.