Sugar Sumac
Rhus ovata
- Native to:
- Mexico, United States
John Rusk (www.flickr.com) from Berkeley, CA, United States of America






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Anacardiaceae
- Genus:
- Rhus
- Species:
- Rhus ovata
- USDA Symbol:
- RHOV
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 400 cm
- Light Requirements:
- Full Sun,Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- mar,apr,may
- Bloom Colors:
- white, pink
- Evergreen Shrub:
- Yes
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
- Hummingbirds:
- ★☆☆☆☆ Documented hummingbird visits (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Caloptilia ovatiella
Reported Fauna Sightings
Bees: ⚠️Western honey bee (Apis mellifera) Hummingbirds: Costa's Hummingbird (Calypte costae)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies, small mammals
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fall Color:
- red, orange
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown after fire; also regenerates from seed in post-fire conditions.
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:
- thrives in arid, rocky hillsides
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from scarification (nicking or hot water treatment) followed by cold stratification for 30-60 days.
Pre-treatment: Seeds germinate under greenhouse temperatures
Establishment: C. purpureus is found within mattoral vegetation association of California
Source: npn.rngr.net
Where to Buy
Nationwide Seller
- Native Seed Group (seeds)