Three Toothed Saxifrage
Saxifraga tricuspidata
- Native to:
- Canada, Greenland, Labrador, United States
Jason Hollinger (www.flickr.com)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Saxifragaceae
- Genus:
- Saxifraga
- Species:
- Saxifraga tricuspidata
- USDA Symbol:
- SATR5
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 15 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white, yellow
- Ground Cover:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Ross's tussock moth (Gynaephora rossii), Franklin's blue (Agriades franklinii)
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to alpine and arctic regions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination. Surface sow and do not cover.
The above propagation data sourced from Claude AI