Bluedome Primrose

Primula alcalina

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Primula
Species:
Primula alcalina
USDA Symbol:
PRAL6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
20 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
pink, lavender

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
alkaline, moist, well-drained soil
pH:
6.5 - 7.5 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to alkaline wetlands and fens

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
21–60 days
Notes:
Seeds require cold moist stratification for 4-8 weeks; surface sow on moist medium and keep cool.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

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