Alnus cremastogyne
Upright evergreen alder Ht 25-30m
Narrow crown, shading is minimal with good grass growth. Deep roots fix nitrogen and hold the soil. Grows well on dry Gisborne and Nelson hillsides, deciduous for 6 weeks. Cold hardiness not tested further south.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Tolerates dry sites
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
Acer saccharinum
Silver maple Ht 25-30m
East North America. Broadly columnar, deciduous. Grows in moist soils and riverbanks in its native habitat. Vigorous grower. Attractive autumn tints. Maple timber is highly prized in the USA for flooring.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive autumn colours - orange
- Attractive autumn colours - red
- Attractive berries fruits or cone
- Attracts bees
- Timber
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 `October Glory'
Red maple clone 'October Glory' Ht 15-25m
N.E.USA. Rather upright habit, deciduous. Holds autumn colour of crimson and orange-red longer than most. Prefers a moist site. Not suitable for windy sites.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive autumn colours - orange
- Attractive autumn colours - red
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
Acer rubrum
American red maple Ht 15-25m
East and Central North America. Broadly columnar, deciduous. Clusters of small red flowers before the leaves. Bluey-white under the leaves, which turn bright red in autumn. Prefers moist soils and will tolerate swampy soils.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive autumn colours - orange
- Attractive autumn colours - red
- Attractive berries fruits or cone
- Attracts bees
Acacia melanoxylon (PLUG grown)
Blackwood Ht 20-30m
S.E. Australia & Tasmania. Broadly columnar, evergreen. Cream flowers in spring. Best growth in moist gullies and with side shade. Frost damage in cold valley bottoms. Dark brown timber for cabinets and turnery.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Evergreen
- Tolerates wet sites
- Tolerates dry sites
- Tolerates shade
- Attractive flowers or catkins
- Timber
- Firewood
- Erosion control
- Container Grown
- Forestry species
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