Twistspine Pricklypear
Opuntia macrorhiza
- Native to:
- Mexico, United States
Andrey Zharkikh
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cactaceae
- Genus:
- Opuntia
- Species:
- Opuntia macrorhiza
- USDA Symbol:
- OPMA2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Succulent
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow, orange, red
- Ground Cover:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
North American cactus moth (Melitara dentata)
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor 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:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds benefit from cold stratification; sow in well-drained soil after last frost.
Where to Buy
Nationwide Seller
- Native Plants Nursery (nursery)