Crown Of Thorns
Koeberlinia spinosa
- Native to:
- Mexico, United States
Dick Culbert (www.flickr.com) from Gibsons, B.C., Canada




Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Koeberliniaceae
- Genus:
- Koeberlinia
- Species:
- Koeberlinia spinosa
- USDA Symbol:
- KOSP
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Tree
- Height:
- 600 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun,jul,aug,sep
- Bloom Colors:
- white, green
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Phtheochroa hubbardana
Garden & Ecology Notes
- Wildlife Value:
- birds, bees, butterflies
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from roots and crown following fire or mechanical damage. Common in fire-prone desert scrub communities.
Soil Requirements
- Soil Type:
- poor, sandy, well-drained 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:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–60 days
- Notes:
- Scarification of the hard seed coat improves germination. Seeds may germinate erratically.
The above propagation data sourced from Claude AI