Quercus vulcanica
Kasnak oak
A large, fast-growing deciduous tree to 30m. The leaves are large - around 12cm long and have a long stalk. They are deeply lobed - right to the centre vein - each with further lobes at the end giving a lacey appearance. They are dark green on upper surface pale green below and turn yellow-brown in autumn. Inconspicuous flowers in spring become 1-3 acorns in autumn They are held in scaley cups which cover at least half of the acorn
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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 | Brown Yellow | Brown | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
North–facing or East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H6Botanical details
- Family
- Fagaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- 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
How to grow
Cultivation
Suited to large gardens and parkland. Grow in any well-drained but moisture-retentive soil in good light. For more information see tree cultivation.
Propagation
Propagate by seed soon after it drops or by semi-ripe cuttings in late summer
Suggested planting locations and garden types
- Architectural
Pruning
Pruning group1
Pests
May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps
Diseases
May be susceptible to powdery mildews amd honey fungus
Get involved
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