Cotoneaster

Cotoneaster integerrimus

Native to:
Afghanistan, Albania, Austria, Baltic States, Belgium, Bulgaria, China, Corse, Czechia-Slovakia, Denmark, Finland, France, Germany, Greece, Hungary, India, Italy, Kirgizstan, Korea, Krym, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Romania, Russia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rosaceae
Genus:
Cotoneaster
Species:
Cotoneaster integerrimus
USDA Symbol:
COIN16

Growth Characteristics

Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Garden & Ecology Notes

Wildlife Value:
birds
Fall Color:
red, orange

Soil Requirements

Soil Type:
rocky, well-drained calcareous soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in limestone-rich areas

Propagation & Germination

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

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Requires scarification. Nick or rub between sheets of sandpaper. Requires soaking. Place in warm water until seeds swell, usually 24-48 hours. Discard water and any seeds that remain floating. This species needs special care. * 20°C x 6 months then 4°C x 3 months: pour hot water over seed and soak for up to 24 hours; 2) mechanical methods such as files or abrasive tools to physically score the seed to allow water entry; scarify with sulphuric acid; CAUTION: THIS CAN BE A DANGEROUS PROCEDURE

Source: Ontario Rock Garden & Hardy Plant Society