Scientific NamePanicum capillare
Other Common Names:
Synonyms (former Scientific Names):
Seeds germinate between late spring and early summer. Witchgrass flowers from mid summer through early autumn.
Leaves have a distinctive mid rib, hairy ligule, and the entire plant is hairy including both sides of the leaf, the collar, the stem and the sheath which may also be purplish.
Witchgrass typically has a reddish coloration on the stems starting where the plant meets the ground. It does not root at the nodes.
Flower Seed Head
The seedhead is very large and can be up to half the length of the entire plant. It has many branches on an open panicle.
Each spikelet produces one seed that can range in color from green to brown to gray.
Witchgrass has no habitat preference and can be found in most any soil type. It is a weed in lawns and other landscape areas, gardens, flower beds, and roadsides.
Leaf Hair on Upper Surface
hairs from base to tip
rolled in bud
Mature Leaf Width
less than 5 mm,
6 to 15 mm
flat or oval
less than 1 mm,