Hawai'I Sedge

Carex alligata

Native to:
Hawaii, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Carex
Species:
Carex alligata
USDA Symbol:
CAAL12

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, moisture-retentive loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–60 days
Notes:
Seeds benefit from light exposure during germination. Carex seeds often exhibit erratic germination even with proper stratification.

The above propagation data sourced from Claude AI