Oklahoma Grasspink
Calopogon oklahomensis
- Native to:
- United States
Eric Hunt





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orchidaceae
- Genus:
- Calopogon
- Species:
- Calopogon oklahomensis
- USDA Symbol:
- CAOK2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- pink, magenta
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Adapted to fire-maintained prairies and savannas; resprouts from corms following fire.
Soil Requirements
- Soil Type:
- moist, sandy, well-drained soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers open, sunny wetlands or prairies
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 90–120 days
- Notes:
- Orchid seeds require mycorrhizal fungi for germination; extremely difficult to germinate without symbiont.
The above propagation data sourced from Claude AI