Crucifixion Thorn
Canotia holacantha
- Native to:
- Mexico, United States
Peter D. Tillman (www.flickr.com) from USA






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Celastraceae
- Genus:
- Canotia
- Species:
- Canotia holacantha
- USDA Symbol:
- CAHO3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- yellow, greenish-yellow
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
Garden & Ecology Notes
- Wildlife Value:
- bees, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts vigorously from root crown after fire damage. Common in fire-prone desert scrub communities.
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 very dry
- Notes:
- native to arid desert regions
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Scarification improves germination rates. Seeds germinate best at warm temperatures.
The above propagation data sourced from Claude AI