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.

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!

Bull thistle is a weedy introduction from Europe, found statewide. To tell it from our other thistles, note its stems with spiny-margined wings, and its leaves with the upper surface strongly roughened with stiff, spiny bristles.

Tall thistle is a native thistle that can grow to be 10 feet tall! To identify it, notice its leaves, which are unlobed (though they may be wavy or have only shallow, broad lobes), are felty-hairy beneath, and have prickles only along the edges.

Like many of its relatives in the mustard family, spring cress has a bitter or pungent flavor, similar to horseradish. It is sometimes used as a condiment and in salads. Or you could just enjoy the pretty white flowers!

Square, unbranching stems, opposite leaves, two-lipped flowers, and a mild minty fragrance are clues Ohio horsemint is in the mint family. Tight, rounded flower clusters are stacked atop one another at the stem tips.

Also called horsemint and wild bergamot, Bradbury beebalm is a showy, fragrant plant that is a favorite of native plant gardeners. It’s also a favorite of Missouri’s butterflies!

Common in almost any kind of moist, wet or muddy habitat, fog fruit bears interesting round, purple flower heads that are ringed by small, white or pinkish flowers.

Large-flowered gaura is a tall plant whose white flowers turn pinkish as they age. Four petals point upward, then bend back, and 8 stamens droop downward. The flowers look something like small butterflies.