Silver Plumegrass
Erianthus alopecuroides
- Native to:
- United States
iNaturalist: © abelkinser (iNaturalist #61823040)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Erianthus
- Species:
- Erianthus alopecuroides
- USDA Symbol:
- SAAL21
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- sep,oct,nov
- Bloom Colors:
- silver, tan
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Delaware Skipper (Atrytone logan)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- bronze, tan
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from rhizomes after fire. Historically maintained by periodic burning in native range.
Soil Requirements
- Soil Type:
- moist, well-drained sandy loam
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- Prefers open areas with full sun exposure
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Light enhances germination. Sow on surface or barely cover.
The above propagation data sourced from Claude AI