Field Guide

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.

A low-growing wildflower that can colonize large areas along roadsides, showy evening primrose bears pink or white flowers that seem too large for the vegetation that supports them.

A bushy native perennial legume with small clusters of pink flowers, slender bush clover provides nectar for numerous insects. Several types of birds eat the seeds, and many mammals eat the foliage.

Deptford pink has straight, strong, narrow stems that bear small clusters of pink flowers with white dots. Common statewide in sunny, open locations such as pastures and roadsides.

False dragonhead is called "obedient plant" because when you push one of the flowers sideways, it "obediently" stays in place for a while.

Smooth spiderwort is the most common and widely distributed of Missouri's spiderworts. It has slender, straight or zigzag stems. The long, narrow leaves are folded lengthwise and attach to the stem in a thick node. The 3 petals of the triangular flower are blue, rose, purple, lavender, or white.

“Infestation” is the term for what teasels are doing in Missouri. Learn to identify these thistlelike plants, and help to control the weedy spread of these tough, prickly invaders.

Queen Anne’s lace is many things to many people — roadside wildflower, noxious introduced weed, wild edible, medicinal herb, delightful cut flower. In Missouri, it blooms May through October.

Instantly recognizable as a type of morning glory, hedge bindweed is common in disturbed habitats and can be a serious agricultural weed, but it is not as problematic as its relative field bindweed.

Everlasting pea is an old-fashioned garden plant your grandma might have grown on a fence. Native to the Old World, it often persists at old homesites.