Dian Mu Dan

Paeonia delavayi

Native to:
China

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Paeoniaceae
Genus:
Paeonia
Species:
Paeonia delavayi
USDA Symbol:
PADE23

Growth Characteristics

Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
red, maroon, yellow
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to forested slopes and open areas

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–180 days
Germination Time:
30–365 days
Notes:
Tree peonies have double dormancy requiring warm stratification followed by cold stratification. Germination can be slow and erratic, often taking one to two years.

ORGHPS Germination Guide: 20°C x 3 months or longer until a 4 cm radicle appears, then 4°C x 3 months, leaf appears while chilled or in next 20°C cycle

Source: Ontario Rock Garden & Hardy Plant Society