All Species
Acacia melanoxylon (PLUG grown)
Blackwood Ht 20-30m
Medium tree / Evergreen / Tolerates wet sites / Tolerates dry sites / Tolerates shade / Attractive flowers or catkins / Timber / Firewood / Erosion control / Container Grown / Forestry species / Cold hardy (H4) (-10 to -5C)
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.
Acer rubrum
American red maple Ht 15-25m
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 / Cold hardy (H4) (-10 to -5C)
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.
Acer rubrum 'Bowhall'
Red maple clone 'Bowhall' Ht 10-15m
Medium tree / Deciduous / Tolerates wet sites / Attractive autumn colours - yellow / Attractive autumn colours - red / Attractive flowers or catkins / Cold hardy (H4) (-10 to -5C)
Selected columnar clone from Ohio, USA. Upright branching, useful in limited spaces. Colours red and yellow in autumn. Best in a moist site.
Acer rubrum 'Columnare'
Red maple clone 'Columnare' Ht 15-25m
Medium tree / Deciduous / Tolerates wet sites / Attractive autumn colours - red / Attractive flowers or catkins / Attracts bees / Shelter / Cold hardy (H4) (-10 to -5C)
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.
Acer rubrum 'October Glory'
Red maple clone 'October Glory' Ht 15-25m
Medium tree / Deciduous / Tolerates wet sites / Attractive autumn colours - yellow / Attractive autumn colours - orange / Attractive autumn colours - red / Cold hardy (H4) (-10 to -5C)
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.
Acer rubrum 'Red Sunset'
Red maple clone 'Red Sunset'
Medium tree / Deciduous / Tolerates wet sites / Attractive autumn colours - orange / Attractive autumn colours - red / Attractive flowers or catkins / Attracts bees / Cold hardy (H4) (-10 to -5C)
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.
Acer saccharinum
Silver maple Ht 25-30m
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 / Cold hardy (H4) (-10 to -5C)
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.
Acer x freemanii
Hybrid maple seedlings Ht 20-25m
Small Tree / Deciduous / Tolerates wet sites / Tolerates exposed sites / Attractive autumn colours - red / Cold hardy (H4) (-10 to -5C)
E. USA. Naturally occuring hybrid between Acer rubrum & A. saccharinum. Seed collected from 'Jeffers Red' producing vigorous plants with good red autumn colours.
Alnus cordata
Italian alder Ht 25-30m
Medium tree / Deciduous / Tolerates wet sites / Tolerates exposed sites / Attractive flowers or catkins / Firewood / Erosion control / Shelter / Tolerates pumice soils / Cold hardy (H4) (-10 to -5C)
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.
Alnus cremastogyne
Upright semi-evergreen alder Ht 25-30m
Medium tree / Deciduous / Tolerates wet sites / Tolerates dry sites / Cold hardy (H4) (-10 to -5C)
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.
Alnus glutinosa
European or black alder Ht 20-25m
Medium tree / Deciduous / Resistant to salt spray / Tolerates wet sites / Tolerates exposed sites / Attractive flowers or catkins / Timber / Firewood / Erosion control / Shelter / Cold hardy (H4) (-10 to -5C)
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.
Alnus glutinosa imperialis
Feathery-leaf black alder Ht 5-8m
Small Tree / Deciduous / Tolerates wet sites / Cold hardy (H4) (-10 to -5C)
Europe. Broadly conical, deciduous. Finely dissected feathery leaves, plants selected during summer, quite unusual. Could be a useful nurse species for native re-vegetation, giving erect light shade, shelter and adding nitrogen to the soil