Three Toothed Saxifrage
Saxifraga tricuspidata
- Native to:
- Canada, Greenland, Labrador, United States
iNaturalist: © jasonheadley (iNaturalist #31754327)
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:
- High
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white
- Ground Cover:
- Yes
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- 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 — 60–90 days
- Germination Time:
- 30–60 days
- Notes:
- Seeds require cold stratification for 60-90 days; sow on surface of moist, well-drained medium.