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 glutinosa imperialis
Feathery-leaf black alder Ht 5-8m
Europe. Broadly conical, deciduous. Comes 80% true from seed, with 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
Group trees and shrubs:
Yes
Categories:
- Small Tree
- Deciduous
- Tolerates wet sites
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
Liquidambar styraciflua 'Worplesdon"
Sweet gum clone 'Worplesdon'' Ht 25-35 m
Selected popular clone, vegetatively produced, Hardy & tidily shaped, upright pyramidal form. Dissected green leaves in summer turn gold, then
vibrant orange to red in autumn.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - red
Fraxinus pennsylvanica
Green ash Ht 20-25m
East USA westward to the Rockies. Broadly columnar, deciduous. Vigorous grower. Brilliant golden yellow autumn leaves. Prefers damp soils.
Group trees and shrubs:
Yes
Categories:
- Large tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive berries fruits or cone
- Timber
- Firewood
- Erosion control
Corylus avellana
European hazelnut Ht 4-6m
Broadly columnar, deciduous. Very edible hazel nuts in March with yellow autumn leaves in April. Our seed is collected from 34 year old trees that produce every year. Make great wind-breaks yielding nuts, small poles & rods. Coppice readily. Hedge spacing 1.5m apart
Group trees and shrubs:
Yes
Categories:
- Small Tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
- Attractive flowers or catkins
- Edible fruits and seeds
- Firewood
- Erosion control
- Shelter
- Tolerates limestone soils
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
Metasequoia glyptostroboides
Dawn redwood Ht 30-40m
China. Conical, deciduous. Long fossil history. Found growing in NW Hupeh in 1941. New seed import brings wider genetic base to NZ. Cypress-like timber is light, strong and durable. Prefers damp sites, deep rooted shade tree for streamsides.
Group trees and shrubs:
No
Categories:
- Large tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - brown
- Attractive flowers or catkins
- Attractive berries fruits or cone
- Timber
- Erosion control
- Forestry species
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