Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Rosaceae

Genus:

Physocarpus

Species:

Physocarpus amurensis

USDA Symbol:

PHAM14

Growth Characteristics

Height:

300 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

may,jun

Bloom Colors:

white, pink

Landscaping Shrub:

Yes

Keystone Species Ranking

Caterpillar Keystone:

★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

birds, bees

Deer Resistant:

Yes

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from the root crown following fire or heavy pruning.

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

prefers fertile soils with organic matter

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds germinate best with light exposure. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI