American Smoketree
Cotinus obovatus
- Native to:
- United States
iNaturalist: © pintobeans (iNaturalist #112095183)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Anacardiaceae
- Genus:
- Cotinus
- Species:
- Cotinus obovatus
- USDA Symbol:
- COOB2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 900 cm
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- yellow, green
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Cecropia moth (Hyalophora cecropia), spotted datana (Datana perspicua)
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
- Fall Color:
- red, orange, yellow, purple
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from the root crown following fire or cutting; historically associated with fire-maintained woodlands and glades.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–60 days
- Notes:
- Seed viability can be low; fresh seed germinates best after cold stratification.
The above propagation data sourced from Claude AI
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI