Largeflowered Wintergreen

Pyrola grandiflora

Native to:
Canada, Greenland, Iceland, Labrador, Russia, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ericaceae
Genus:
Pyrola
Species:
Pyrola grandiflora
USDA Symbol:
PYGR

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
25 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
white, pink

Soil Requirements

Soil Type:
moist, well-drained, organic-rich soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded forest floors

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds require cold stratification for 2-3 months; germination occurs in cool, moist conditions.

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