Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Primulaceae

Genus:

Primula

Species:

Primula japonica

USDA Symbol:

PRJA2

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Part Shade

Drought Tolerance:

Low

Bloom Months:

may,jun,jul

Bloom Colors:

pink, red, white, purple

Wildlife Benefits

Bees:

★☆☆☆☆ Documented bee visitation (GBIF)

Butterflies & Moths:

★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

Prefers damp, shaded woodland areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–42 days

Notes:

Seeds require light for germination; surface sow and do not cover. Fresh seed germinates best.

The above propagation data sourced from Claude AI