Knotgrass

Paspalum distichum

Also known as: Large Knotgrass

Native to:
Argentina, Bahamas, Bermuda, Bolivia, Brazil, Central American Pacific Is., Chile, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Galápagos, Guam, Guatemala, Guyana, Haiti, Honduras, Jamaica, Juan Fernández Is., Leeward Is., Mexico, Nicaragua, Paraguay, Peru, Puerto Rico, Suriname, Trinidad-Tobago, Turks-Caicos Is., U.S. Minor Outlying Islands, United States, Uruguay, Virgin Islands, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Paspalum
Species:
Paspalum distichum
USDA Symbol:
PADI6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Ground Cover:
Yes
Lawn Substitute:
Yes

Garden & Ecology Notes

Wildlife Value:
waterfowl, shorebirds
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rhizomes following fire. Common in wetland areas subject to periodic burning.

Soil Requirements

Soil Type:
moist, fertile, sandy loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands and along water bodies

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in warm, moist conditions. Often spreads vegetatively via stolons and rhizomes.

The above propagation data sourced from Claude AI