Tropical Signalgrass

Urochloa distachya

Native to:
Guam, Palau, United States
Tropical Signalgrass

Kevin Faccenda (www.inaturalist.org)

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Urochloa
Species:
Urochloa distachya
USDA Symbol:
URDI5

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from base after fire; typical of tropical/subtropical grasses.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
common in open grasslands and disturbed areas

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