Purple Lovegrass
Eragrostis spectabilis
- Native to:
- Mexico, United States
iNaturalist: © wdvanhem (iNaturalist #4457508)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Poaceae
- Genus:
- Eragrostis
- Species:
- Eragrostis spectabilis
- USDA Symbol:
- ERSP
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- purple, pink, red
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fall Color:
- bronze, tan
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from roots after fire; typical warm-season prairie grass response to burning.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to open, sunny areas with poor soil
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily with light and warmth; surface sow as light aids germination.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds are placed in cold moist stratification for 90 days.
Establishment: There is a discrepancy in the germination temperature, with one study suggesting 21C and another suggesting 30C. Both temperatures have been included in the protocol.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months.