Littleleaf Sumac
Rhus microphylla
- Native to:
- Mexico, United States
Photo by David J. Stang








Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Anacardiaceae
- Genus:
- Rhus
- Species:
- Rhus microphylla
- USDA Symbol:
- RHMI3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 250 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Hemileuca chinatiensis, Saturnia anona
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- red, orange
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown following fire. Common component of fire-adapted desert scrub communities.
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid and semi-arid regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–42 days
- Notes:
- Acid scarification or mechanical scarification improves germination. Cold stratification following scarification recommended.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).
Source: Claude AI