Quercus semecarpifolia
brown oak
An evergreen, rounded tree with brownish-grey, deeply fissured bark that can reach heights in excess of 20m in mild, sheltered conditions. Leathery, oblong to elliptc leaves up to 11cm long may have spiny and wavy margins, especially on young trees or shoots becoming entire and dark glossy green with age. Rounded acorns are borne singly or in clusters of thee to six in shallowly bowl-shaped cups
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Size
Ultimate height
Higher than 12 metresTime to ultimate height
20–50 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | Brown | ||
| Winter | Green |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Fagaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Spreading branched
- Potentially harmful
- Pets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Quercus can be deciduous or evergreen trees or shrubs, with entire, lobed or toothed leaves; flowers inconspicuous, followed by characteristic acorns; sometimes good autumn colour
- Name status
Correct
- Plant range
- Afghanistan to Thailand
How to grow
Cultivation
Grow in any deep, fertile, well-drained soil in full sun. See tree cultivation for further advice
Propagation
Propagate by semi-ripe cuttings in late summer or seed, soon after it drops
Suggested planting locations and garden types
- Architectural
- Low Maintenance
Pruning
Pests
May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps
Diseases
May be susceptible to powdery mildews and honey fungus
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.