iron oak

Also known as: post oak; rough white oak

A slow-growing small to medium-sized deciduous tree eventually reaching 12m. The rich green leaves have deep rounded lobes and the first two are often so prominent that there is a crucifix-like appearance. The feel of them is rough due to short hard hairs all over. The autumn colour can be a good dark gold-bronze

iron oak

Scientific classification

Species
iron oak (Quercus stellata)
Genus
Quercus
Family
Fagaceae
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Toxicity
Trees
Plant type
8-12 metres
Height
4-8 metres
Spread
Deciduous
Foliage
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Habit
Autumn · Spring · Summer
Season of interest
Full sun
Sunlight
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Ideal temperature

iron oak pictures

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Distribution of iron oak

Distribution map

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Culture

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Toxicity

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Quick identification of iron oak

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iron oak care guide

Deep watering during dry spells, allowing slight surface drying between soakings
Watering
Full sun
Sunlight
Information to be completed
Ideal temperature

Watering

Deep watering during dry spells, allowing slight surface drying between soakings

Fertilizing

Balanced shrub or tree feed once each early spring

Pruning

Little pruning is needed. Remove diseased, damaged, crowded or crossing shoots and unwanted growth. Timing depends on the plant: generally late winter or early spring; plants prone to bleeding and deciduous magnolias need different timing, and deciduous azaleas and lilacs are pruned after flowering.

Propagation

Propagate by semi-ripe cuttings in late summer or seed, soon after it drops. For more advice see our information on how to propagate from seed (tree/shrub

Growing

Suited to large gardens and parkland. Grow in any well-drained but moisture-retentive soil in good light. For more information see tree cultivation.

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Common pests and diseases

Diseases

May be susceptible to powdery mildews and honey fungus

Pests

May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps

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