Cotoneaster sikangensis

Cotoneaster dielsianus

Native to:
China

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Cotoneaster
Species:
Cotoneaster dielsianus
USDA Symbol:
COSI10

Growth Characteristics

Height:
300 cm
Drought Tolerance:
Medium
Bloom Months:
may,jun
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Fall Color:
red, orange

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 90–120 days
Germination Time:
30–180 days
Notes:
Seeds exhibit double dormancy requiring warm stratification followed by cold stratification. Germination can be erratic and slow.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Repeated cycles of 20C then 4C, 3 months each. Very prolonged. Requires light / surface sow (fine seed). | Requires scarification. | Requires soaking 24-48 hrs; discard floaters.

Source: Ontario Rock Garden & Hardy Plant Society