Toothache Grass
Ctenium aromaticum
- Native to:
- United States, Virgin Islands
iNaturalist: © freestateforager (iNaturalist #44041581)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Ctenium
- Species:
- Ctenium aromaticum
- USDA Symbol:
- CTAR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 150 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- green, brown
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fragrant:
- Yes
- Fire Ecology:
- Requires fire for germination
- Fire Notes:
- Frequent fire maintains open savanna habitat; Ctenium aromaticum resprouts after fire and is a characteristic species of fire-maintained wet pine savannas.
Soil Requirements
- Soil Type:
- sandy, acidic, nutrient-poor soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found in pine savannas and flatwoods