English Oak Plant Care

English Oak (Quercus robur) belongs to the Fagaceae family within the Quercus genus. English Oak is native to British Isles, Caucasus. English Oak is also known as Pedunculate Oak, Common Oak, European Oak.

English Oak displays a deciduous tree growth habit, reaching up to 98 ft tall with a spread of approximately 65 ft. English Oak produces small, inconspicuous flowers called catkins, with separate male and female catkins on the same tree, the male catkins being longer and yellowish, and the female catkins being smaller and greenish, eventually developing into acorns.

Leaf size: approximately 5 inches.

Water a young or newly planted English Oak 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.

English Oak thrives in full sun.

Quercus robur tolerates temperatures of 32–86°F. English Oak prefers humidity levels of 40–70%.

Prefers well-drained soil. Good drainage is essential for English Oak to prevent waterlogging, which leads to root rot and fungal issues.

Feed English Oak every month 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 and prefers well-drained soil. Avoid low spots where water collects after rain.

English Oak is suited to USDA Zone 3a – 8b.

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.

English Oak can spread to about 65 ft (19.8 m) and reach about 98 ft (30 m) tall. Space plants about 65 ft (19.8 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 English Oak 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.

English Oak is hardy down to USDA zone 3a, so once established it can stay outdoors through winter in that zone and warmer ones.

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.

English Oak can be propagated through propagate by acorns or grafting. Similar propagation techniques also apply to guatemalan oak plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

English Oak is susceptible to oak leaf blister, oak wilt, gypsy moth. 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.

English Oak grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. English Oak is native to British Isles, Caucasus.