Newry Cotoneaster Plant Care

Newry Cotoneaster (Cotoneaster newryensis) belongs to the Rosaceae family within the Cotoneaster genus. Newry Cotoneaster is native to Nepal, the eastern Himalayas, Assam, and Myanmar, and has been introduced to a number of locales in Europe, the west coast of North America, and Australia as a garden escapee.

Newry Cotoneaster displays a spreading, dense shrub growth habit, reaching up to 6 ft tall with a spread of approximately 8 ft. Newry Cotoneaster produces small white or pink flowers in clusters.

Leaf size: approximately 2 inches.

Water a young or newly planted Newry Cotoneaster every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Newry Cotoneaster thrives in full sun to partial shade.

Cotoneaster newryensis tolerates temperatures of 0–90°F. Newry Cotoneaster prefers humidity levels of 40–70%.

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Newry Cotoneaster to prevent waterlogging, which leads to root rot and fungal issues.

Feed Newry Cotoneaster every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Newry Cotoneaster can spread to about 8 ft (2.4 m) and reach about 6 ft (2 m) tall. Space plants about 8 ft (2.4 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

Prune Newry Cotoneaster while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

Water deeply in late autumn before the ground freezes, and spread a 5–8 cm (2–3 in) layer of mulch over the root zone, keeping it away from the trunk.

Young and container-grown trees need extra protection: roots in a pot freeze much more easily than roots in the ground.

Newry Cotoneaster can be propagated through softwood cuttings, semi-hardwood cuttings, hardwood cuttings, seeds. Similar propagation techniques also apply to bearberry cotoneaster plant care, which shares the same genus.

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Newry Cotoneaster is susceptible to aphids, scale insects, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.