Mackenzie River Dwarf-Primrose

Androsace americana

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Androsace
Species:
Androsace americana
USDA Symbol:
DOAR

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
8 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
white

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained alpine soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in high-altitude environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Requires light for germination; seeds should be surface-sown. Best germination at cool temperatures.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI