Sorbus commita

Sorbus commixta

Native to:
China, Japan, Korea, Kuril Is., Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Sorbus
Species:
Sorbus commixta
USDA Symbol:
SOCO7

Growth Characteristics

Height:
1000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun
Bloom Colors:
white

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
birds
Fall Color:
red, orange, purple

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers cool, temperate climates

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–180 days
Germination Time:
30–365 days
Notes:
Seeds exhibit double dormancy requiring warm stratification followed by cold stratification. Germination can be erratic and may take over a year.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Place on damp paper towel in plastic bag for 6 weeks in fridge - should germinate in cold

Source: Ontario Rock Garden & Hardy Plant Society