Grisebach's Bristlegrass

Setaria grisebachii

Native to:
Belize, Colombia, Galápagos, Mexico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Setaria
Species:
Setaria grisebachii
USDA Symbol:
SEGR6

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep,oct

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
As an annual grass, it recolonizes quickly after fire from the seed bank.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
Drainage:
excellent drainage required
Moisture:
dry to moderate

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily in warm conditions without pretreatment.

The above propagation data sourced from Claude AI