Kearney'S Sumac
Rhus kearneyi
- Native to:
- Mexico, United States
wlcutler (www.flickr.com)





Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Anacardiaceae
- Genus:
- Rhus
- Species:
- Rhus kearneyi
- USDA Symbol:
- RHKE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 450 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white, cream
- Landscaping Shrub:
- Yes
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown following fire, typical of Sonoran Desert shrubs.
Soil Requirements
- Soil Type:
- rocky, well-drained desert soil
- pH:
- 6.0 - 8.0 (neutral to slightly alkaline)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to arid regions, prefers rocky slopes
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 60–90 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 30–60 days
- Notes:
- Acid scarification or mechanical abrasion followed by warm then cold stratification improves germination rates.
The above propagation data sourced from Claude AI