Johnson grassJohnson grass
a forage and pasture grass (Sorghum halepense), widespread in the S U.S., often as a weed
A tall rhizomatous perennial grass (Sorghum halepense) native to the Mediterranean region, sometimes cultivated for forage but widespread as a weed.
Origin of Johnson grassAfter William Johnson (died 1859), American agriculturalist
(plural Johnson grasses)
- A perennial Mediterranean grass (Sorghum halepense) cultivated for forage, but considered invasive and noxious.