Alnus cordata (Italian alder)
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Beginner skill rating |
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8m max. spread |
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15m max. height |
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20-50 years to maturity |
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1 hour care per year |
Botanical name: Alnus cordata
Other names: Italian alder
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Genus: Alnus
Species: A. cordata - A. cordata is a fast-growing pyramidcal deciduous tree with glossy, heart-shaped, deep-green leaves. Yellow catkins in late winter and early spring on bare stems. Small brown cones through winter.
Alnus cordata is: Deciduous
Flower: Pale-yellow in Winter
Foliage: Dark-green in Summer
Fruit: Brown in Summer
Tree shape: Conical
Awards: RHS AGM (Award of Garden Merit)
Companion planting: Other plants that tolerate difficult situations (e.g. pollution) include birch, hawthorn, elder and willow.
Plant with: Salix alba var. vitellina 'Britzensis' (Coral bark willow), Betula utilis var. jacquemontii 'Grayswood Ghost' (Himalayan birch 'Grayswood Ghost'), Crataegus laevigata (Midland hawthorn), Salix alba (White willow), Salix cinerea (Common sallow), Sambucus racemosa 'Sutherland Gold' (European red elder 'Sutherland Gold')
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Watch out for
Specific pests: Alder sucker , Leaf-mining sawflies
Specific diseases: Bark canker
General care
Propagation methods: Hardwood cuttings, Seed. REGISTER to read more...
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Alnus cordata (Italian alder) will reach a height of 15m and a spread of 8m after 20-50 years.
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Suggested uses: Hedging/Screens, Low Maintenance, Wildlife, Waterside, Resistant to pollution, Foliage only
Cultivation: Thrives in poor, wet conditions.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy |  |
| Soil drainage: | Moist but well-drained, Well-drained | |
| Soil pH: | Acid, Alkaline, Neutral | |
| Light: | Partial Shade, Full Sun | |
| Aspect: | North, South, East, West | |
| Exposure: | Exposed, Sheltered | |
| Hardiness: | Hardy (H4) | |
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This plant is featured at Chelsea Flower Show 2009
Comment from
Alnus cordata has been used in The HESCO Garden by Leeds City Council for Chelsea Flower Show 2009.
- Views: 240
- Replies: 0
- Posted: Fri. 15th May 2009 08:53
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