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Alnus cordata (Italian alder)

Beginner
skill rating
1 hour care
per year
15m
Max height
8m
Max spread
20-50 years
To maturity

Plant details

Botanical name

Alnus cordata

Other names

Italian alder

Genus

Alnus 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

Tree shape

Conical

Awards

RHS AGM (Award of Garden Merit)

Flower

Pale-yellow in Winter

Foliage

Dark-green in Summer

How to care

Watch out for

Specific pests

Alder sucker , Leaf-mining sawflies Alder sucker , Leaf-mining sawflies

Bark canker Bark canker

General care

Propagation methods

Hardwood cuttings, Seed


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Where to grow

Alnus cordata (Italian alder) will reach a height of 15m and a spread of 8m after 20-50 years.

Suggested uses

Hedging/Screens, Low Maintenance, Wildlife, Waterside, Resistant to pollution, Foliage only

Cultivation

Thrives in poor, wet conditions.

Soil type

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

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

Botanical name

Alnus cordata

Other names

Italian alder

Genus

Alnus 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.

Foliage

Deciduous

Tree shape

Conical

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Pale-yellow in Winter

Foliage

Dark-green in Summer


How to care

Watch out for

Specific pests

Alder sucker , Leaf-mining sawflies

Specific diseases

Bark canker

General care

Propagation methods

Hardwood cuttings, Seed


Monthly care advice


Where to grow

Alnus cordata (Italian alder) will reach a height of 15m and a spread of 8m after 20-50 years.

Suggested uses

Hedging/Screens, Low Maintenance, Wildlife, Waterside, Resistant to pollution, Foliage only

Cultivation

Thrives in poor, wet conditions.

Soil type

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

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 10, Zone 9, Zone 8

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

This plant is featured at Chelsea Flower Show 2009

Alnus cordata has been used in The HESCO Garden by Leeds City Council for Chelsea Flower Show 2009. read more

There are 2 active discussions about Alnus cordata (Italian alder)

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GARDENS WITH THIS PLANT

My Garden
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