Rough Jointfir
Ephedra aspera
- Native to:
- Mexico, United States
iNaturalist: © danbeckman (iNaturalist #109871182)






Taxonomy
- Division:
- Gnetophyta | - Mormon tea and other gnetophytes
- Family:
- Ephedraceae
- Genus:
- Ephedra
- Species:
- Ephedra aspera
- USDA Symbol:
- EPAS
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Hemileuca chinatiensis
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; adapted to arid fire regimes of desert scrub.
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Common in arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds germinate best with cold stratification; light may improve germination rates.
The above propagation data sourced from Claude AI