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ALNUS cordata
Commonly known as Italian alder
Conical-shaped tree with bright green glossy leaves
individually £11.00 each , 10+ £10.00 each
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
A useful tree for a windbreak -
Pests & Diseases
Phytophthora root rot -
Place of origin
Corsica, southern Italy. -
Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Deciduousheart-shaped at the bottom, to 10cm (4in) long.
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Fully hardy
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Denticulate
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Ovate
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Height
25m (80ft) -
Spread
6m (20ft)
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TreeMale catkins to 8cm (3in) long in groups of 3-6 are yellow-brown and open before the leaves. Ovoid fruits,2-3cm (¾ to 1¼in) long, in summer.
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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.
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Hardy - cold winter
Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F) -
Spring Seasonal Interest
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Winter Seasonal Interest
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Fertile well drained soilTolerates dryer soils.
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Full sun
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Broadly conical
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Rabbit Resistant
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Mature Size25m (80ft)
6m (20ft)
View Planting Tips and Care Advice
Alnus - Growing Guide
Trees - Care Guide
- How to plant a tree - Video Tip ondemand_video
- How to plant a tree
- 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
- Tidying young trees in October - 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
