Primula matsumurae

Primula modesta var. matsumurae

Native to:
Japan, Kuril Is., Russia

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Primulaceae
Genus:
Primula
Species:
Primula modesta var. matsumurae
USDA Symbol:
PRMA13

Growth Characteristics

Height:
20 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul
Bloom Colors:
pink, purple, white

Garden & Ecology Notes

Wildlife Value:
butterflies

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 6.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination; surface sow and keep moist.

The above propagation data sourced from 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