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ZELKOVA serrata
Commonly known as Japanese zelkova, Keaki
Large tree of wide spreading habit with serrated leaves and good autumn colour
Further Reading....
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Deciduous - thin, narrowly ovate, tapered leaves to 12cm (5in) long with up to 16 teeth on either side are dark green becoming yellow, orange or red in autumn.
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White -
Height - 30m (100ft) -
Spread - 18m (60ft)
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Tree - spreading tree with smooth grey bark peeling to reveal orange patches.
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Hardy - very cold winter - Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F) -
Full sun - provide shelter from cold winds in frosty areas -
Partial shade -
Additional Features - Pests & Diseases - - horse-chestnut scale, bacterial canker, Dutch elm disease -
Place of origin - South Korea, Japan, Taiwan -
Resistant to honey fungus - These plants have little or few problems with honey fungus.
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Hardiness - Fully hardy -
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Pruning group - Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
RHS group 1 -
Seasonal Interest - Autumn -
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Soil Conditions - Fertile moist well-drained soil -
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Tree Shape - Rounded to broadly spreading -
Trees - Care Guide
- How to plant a tree - Video Tip ondemand_video
- How to plant a tree
- Checking ties - Video Tip ondemand_video
- Restaking fallen young trees - Video Tip ondemand_video
- Fallen old tree - Video Tip ondemand_video
- Clearing up fallen beech tree - Video Tip ondemand_video
- Spring pruning - Video Tip ondemand_video
- Removing side shoots - Video Tip ondemand_video
- Pruning and Shaping Magnolia - Video Tip ondemand_video
- Deer protection - Video Tip ondemand_video
- Weed Spraying - Video Tip ondemand_video
- Removing Ivy - Video Tip ondemand_video
- Removing wire protection - Video Tip ondemand_video
- Tree Survey - Video Tip ondemand_video
- Crown uplift - Video Tip ondemand_video
- Removing shoots below graft - Video Tip ondemand_video
- Removing peeling bark - Video Tip ondemand_video
- Maintaining variegation - Video Tip ondemand_video
Zelkova - Growing Guide
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30m (100ft)
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18m (60ft) |
Useful extras...
Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00
Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00
Vermin & Pest Control
Tree Guards
Essential small tree protection from vermin and strimming. This pack includes 5 x 90cm canes and 5 x 90cm spiral guards. Includes instructions.
Only £5.00
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