Tundra Shootingstar

Primula austrofrigida

Native to:
United States
Tundra Shootingstar

peganum (www.flickr.com) from Henfield, England

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Primula
Species:
Primula austrofrigida
USDA Symbol:
DOAU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
15 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
pink, purple, violet

Soil Requirements

Soil Type:
moist, well-drained, humus-rich soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Germination Time:
14–60 days
Notes:
Seeds require light for germination; sow on surface. Cold stratification improves germination rates.

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

ORGHPS Germination Guide: Expose to fluctuation outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in the spring. * most interbreed and seed may not be what is labelled, germinate best in cool, moist conditions; for sturdy seedlings grow outdoors in spring, prick out

Source: Ontario Rock Garden & Hardy Plant Society