Wormleaf Stonecrop
Sedum stenopetalum
- Native to:
- Canada, United States
Matt Lavin (www.flickr.com) from Bozeman, Montana, USA
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Crassulaceae
- Genus:
- Sedum
- Species:
- Sedum stenopetalum
- USDA Symbol:
- SEST2
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Succulent
- Height:
- 20 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- yellow
- Ground Cover:
- 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
⚠️Moss's Elfin (Incisalia mossii), Phoebus Apollo (Parnassius phoebus)
Reported Fauna Sightings
Bees: Fuzzy-horned bumble bee (Bombus mixtus), Red-belted bumble bee (Bombus rufocinctus), Two-form bumble bee (Bombus bifarius)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; common in rocky outcrops and post-fire environments.
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 rocky outcrops and slopes
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–28 days
- Notes:
- Seeds require light for germination; surface sow and do not cover.
The above propagation data sourced from Claude AI
Pre-treatment: Germination occurs at 25D/10N C alternating temperature cycle. Germination occurs equally well in light and dark.
Source: npn.rngr.net
ORGHPS Germination Guide: Best grown in plastic bag for humidity