Sticky Flatsedge 🛑 Endangered
Cyperus trachysanthos
- Native to:
- Hawaii, United States
iNaturalist: © kenneth_r_wood (iNaturalist #229813208)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus trachysanthos
- USDA Symbol:
- CYTR2
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
- Bloom Colors:
- brown, green
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, nutrient-poor, well-drained soil
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to coastal areas, often found in sandy soils
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Requires consistently moist to wet conditions for germination. Surface sow as seeds need light.