Alnus jorullensis (OG grown)
Mexican evergreen alder Ht 20-25m
Mexico & the Andes at higher altitudes. Broadly conical, evergreen, but can shed some leaves in a cold winter. Dark green serrated leaves tapering to a point, new shoots dark brown. Fast growing popular shelter in milder parts of NZ.
Group trees and shrubs:
Yes
Categories:
- Large tree
- Evergreen
- Tolerates wet sites
- Attractive flowers or catkins
- Timber
- Shelter
- Hedging
Alnus glutinosa
European or black alder Ht 20-25m
Broadly conical, deciduous. Vigorous growth and good form. Habitat beside rivers and will grow in very wet places. Tolerates salt winds better than the other alders. Good firewood crop to utilise wet ground. Timber durable under water.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Resistant to salt spray
- Tolerates wet sites
- Tolerates exposed sites
- Attractive flowers or catkins
- Timber
- Firewood
- Erosion control
- Shelter
Alnus cordata
Italian alder Ht 25-30m
Corsica, central and S. Italy. Broadly conical, deciduous, fast growing, roots penetrate deeply. Popular for horticultural shelterbelts, trims well into a narrow tall hedge. Sheds some leaves in drought conditions. Used as a nurse crop with oak and redwood providing mycorrhiza, nitrogen and side shade to reduce epicormic regrowth on pruned final crop trees.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Tolerates exposed sites
- Attractive flowers or catkins
- Firewood
- Erosion control
- Shelter
- Tolerates pumice soils
Callitris rhomboidea (POT grown)
Cypress pine Ht 9-15m
Australian conifer, coastal & tablelands Queensland to Tasmania. Straight trunk, branches dividing into a mass of small slender sprays. Drought tolerant, withstands -6C.
Group trees and shrubs:
No
Categories:
- Small Tree
- Evergreen
- Tolerates dry sites
- Attractive flowers or catkins
- Container Grown
Aesculus indica
Indian horse chestnut Ht 20-30m
Northwest Himalayas. Broadly columnar, deciduous. Creates heavy shade. Creamy white flowers much later than A. hippocastanum. Conkers are almost black and produced in smooth skinned fruits. Drought and heat tolerant.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates dry sites
- Attractive autumn colours - yellow
- Attractive autumn colours - orange
- Attractive flowers or catkins
- Attractive berries fruits or cone
- Attracts bees
- Tolerates limestone soils
Aesculus hippocastanum
Horse chestnut Ht 20-30m
Albania and Nth Greece. Broadly conical, deciduous. Large palmate compound leaves produce a dense shade. Large creamy white flowers, then prickly oval fruits, enclosing polished conkers prized by schoolboys in the UK. Best in fertile soils.
Group trees and shrubs:
Yes
Categories:
- Large tree
- Deciduous
- Intolerant to clay soils
- Attractive autumn colours - yellow
- Attractive flowers or catkins
- Attractive berries fruits or cone
- Attracts bees
- Tolerates limestone soils
Aesculus carnea
Pink horse chestnut Ht 15-20m
A true breeding hybrid between A. hippocastanum and A. pavia. Broadly spreading, deciduous. Pink flowers followed by smooth skinned oval fruits which enclose highly polished intricately patterned conkers.
Group trees and shrubs:
Yes
Categories:
- Small Tree
- Deciduous
- Attractive autumn colours - brown
- Attractive flowers or catkins
- Attractive berries fruits or cone
- Attracts bees
Acer rubrum 'Red Sunset'
Red maple clone 'Red Sunset'
Selected clone with brilliant orange and red autumn colour lasting several weeks, beginning before October Glory. Red Sunset judged the best clone for warmer Southern USA, may be best for milder parts of NZ.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - orange
- Attractive autumn colours - red
- Attractive flowers or catkins
- Attracts bees
Acer rubrum `Columnare'
Red maple clone 'Columnare' Ht 15-25m
Narrow crowned clone discovered in 1894 in New York with upright branching creating a shape similar to the Lombardy poplar. Clusters of small red flowers before the green leaves, bluey-white beneath, which turn bright red in Autumn. Prefers moist, rather acid soils, becomes chlorotic on lime rich soils.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - red
- Attractive flowers or catkins
- Attracts bees
- Shelter
Acer rubrum `Bowhall'
Red maple clone 'Bowhall' Ht 10-15m
Selected columnar clone from Ohio, USA. Upright branching, useful in limited spaces. Colours red and yellow in autumn. Best in a moist site.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive autumn colours - red
- Attractive flowers or catkins
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