Cotoneaster integerrimus is a shrub native to Europe, western Asia, and Siberia. It is hardy in the U.S. Department of Agriculture zones 3 through 6. Although this shrub grows slowly, it is often planted as part of a windbreak. You can also plant it as a hedge, but the branches are more open which means less privacy for your yard. It can take 15 years for this shrub to grow to heights of 8 to 12 feet, with a spread of 12 to 15 feet.
The leaves are 3/4 to 1.5-inches long and 1/2 to 1-inch wide. They are dark blue green on top, but the underside is a light gray. The flower buds are brown to light gray, giving way to pinkish white flowers in May and June. The fruit sets on in August and September. It can take 3 to 4 years after planting before the shrub will produce any berries. The small red berries provide a food source for birds and other wildlife. They are not people food, so do not pick them and eat them, because they are poisonous.
Cotoneaster integerrimus shrubs grow in a wide range of soils, but they do not like a soil that is coarse textured, saline, droughty or ponding sites. The preferred soil of the cotoneaster integerrimus is one that is moist with a pH level of 5.0 to 7.5.
Genus - Cotoneaster
Species - Integerrimus
Common name - European Cotoneaster
Pre-Treatment - Required
Hardiness zones - 4 - 8
Height - 8'-12' / 2 - 4 m
Spread - 12'-18' / 3 - 4,5 m
Plant type - Small Shrub
Vegetation type - Ornamental deciduous
Exposure - Full Sun, Partial Sun
Growth rate - Slow
Soil PH - Acidic, Neutral
Soil type - Clay, laom, Sand, well drained
Water requirements - Average Water
Landscape uses - Windbreak, hedge
Leaf / Flower color - Dark blue green / Brown, light gray
1. Rub each seed lightly with a nail file softening the hull. Store the seeds in a plastic bag filled with moist sand inside the refrigerator for three months to cold-stratify them.
2. Sow the cotoneaster seeds in 10-15 cm (~5") plastic pots filled with sterile loam. Sow two seeds in each pot to a depth of the seed size. Sprinkling sand across the soil’s surface helps slow the evaporation rate.
3. Place the potted cotoneaster seeds on a propagation mat near a source of very bright light. Set the temperature on the propagation mat to +25C (77F) for nine hours each day. Adjust the temperature to +12C (55F) for the remainder of the day.
4. Water the cotoneaster seeds as often as necessary maintaining moisture in the top one-half inch of soil at all times. Add the water very slowly when irrigating keeps from disturbing the seed.
5. Watch for germination in 25 days. Remove the weaker of the two cotoneaster seedlings from each pot if both germinate. Wait until the seedlings reach 2,5-3 cm (~1") in height before thinning.
6. Move the cotoneaster seedlings to a sheltered spot outdoors with limited exposure to strong, direct sunlight. Continue watering, but allow the soil’s surface to dry slightly between waterings.
7. Slowly acclimate the cotoneaster seedlings to strong sunlight in the course of one week until they withstand full sun for five hours without wilting.
8. Transplant the cotoneaster seedlings into a sunny bed at least 75 days before the first autumn frost. Space the seedlings 3 m (10') apart. Mulching heavily around them protects their developing roots. (info source: ehow.com)
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