Content tagged with "nuisance plant"

Johnson Grass

Photo of Johnson grass, big clump next to a field
Johnson grass is a tall, coarse, perennial grass with stout rhizomes. It grows in dense clumps or nearly solid stands in crop fields, pastures, abandoned fields, rights-of-way, and forest edges and along stream banks. More

Johnson Grass (Flower Clusters)

Photo of Johnson grass flower clusters
The flower clusters (panicles) of Johnson grass are large, loosely branched, purplish, and hairy. The spikelets (the small flowering units) occur in pairs or threes, and each has a conspicuous awn. It blooms June through November. More

Johnson Grass Infesting A Crop Field

Photo of Johnson grass infesting a crop field
Johnson grass is a native of the Mediterranean that is invasive in our country. It’s a weed that infests cropland and degrades native ecosystems, and heavy infestations are found in all the major river bottoms of Missouri. More

Kudzu Invasive Species Fact Sheet

Use this print-and-carry sheet to identify and control invasive kudzu in Missouri. More

Leafy Spurge

Photo of leafy spurge seed heads
Euphorbia esula
When you consider the negative effects this plant has on natural habitats, and how hard it is to control or eradicate, you almost want to rename it “leafy scourge”! This invasive plant is spreading in our state. Learn how to identify it. More

Leafy Spurge (Seed Heads)

Photo of leafy spurge seed heads
Leafy spurge is an invasive plant that is spreading in our state. Leaves are usually alternate, but those immediately beneath the flowers are whorled. Leaves on the lower half of the stem are scalelike, while those on the upper parts are linear to oblong. All parts of the plant bleed a milky sap that causes skin irritation. Flowers are borne in umbels and appear greenish yellow. More

Leafy Spurge Invasive Species Fact Sheet

Use this print-and-carry sheet to identify and control Leafy spurge on your Missouri property. More

Missouri's Most Irritating Plant

This content is archived
For instigating itches, rashes and discomfort, few plants can compete with poison ivy. More

Missouri's Most Irritating Plant

Download this article to learn more about poison ivy. More

Multiflora Rose

Rosa multiflora
Starting more than a century ago, this nonnative rose was planted across America — for many good reasons — but it has proven to be invasive, and now the goal is to stop its spread. More