Meanings
plural Johnson grasses
- countableuncountableA perennial Mediterranean grass (Sorghum halepense) cultivated for forage, but considered invasive and noxious.
Synonyms: Aleppo grass, Means grass
Synonyms & antonyms
nounA perennial Mediterranean grass (Sorghum halepense) cultivated for forage, but considered invasive and noxious.
More synonyms by meaning
nountall perennial grass that spreads by creeping rhizomes and is grown for fodder; naturalized in southern United States where it is a serious pest on cultivated land
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Named after an Alabama plantation owner, Colonel William Johnson, who sowed its seeds on river-bottom farmland circa 1840.
Full word history & related roots →Cite this entry
Johnson grass. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Johnson%20grass
“Johnson grass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Johnson%20grass. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “Johnson grass,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Johnson%20grass.
Source: Johnson grass on Wiktionary, CC BY-SA 4.0.