Ditch Reedgrass
Calamagrostis scopulorum
- Native to:
- United States
iNaturalist: © walterfertig (iNaturalist #99848384)




Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Calamagrostis
- Species:
- Calamagrostis scopulorum
- USDA Symbol:
- CASC
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- tan, golden
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rhizomes after fire. Common component of post-fire mountain meadow recovery.
Soil Requirements
- Soil Type:
- well-drained, rocky or sandy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to mountainous regions, prefers cool climates
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Requires light for germination. Best sown on soil surface with cold-moist stratification.
The above propagation data sourced from Claude AI