Coastal Sandbur

Cenchrus spinifex

Native to:
Argentina, Bahamas, Belize, Bolivia, Brazil, Cayman Is., Chile, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Haiti, Honduras, Jamaica, Leeward Is., Mexico, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Turks-Caicos Is., United States, Uruguay, Venezuelan Antilles, Virgin Islands, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Cenchrus
Species:
Cenchrus spinifex
USDA Symbol:
CESP4

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun,Part Shade
Drought Tolerance:
High
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
green

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Fall armyworm (Spodoptera frugiperda), Green Cutworm (Anicla infecta)

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; common in fire-prone coastal and sandy habitats.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in coastal and dune environments

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