Carya aquatica
Water hickory Ht 20-30m
S.E.USA and Mississippi Valley. Broadly columnar, deciduous. Tolerates wet sites and flooding, with best growth on moist drained soils. Nuts bitter, but eaten by pigs. Yellow autumn colour.l
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive autumn colours - yellow
Astelia chathamica (PLUG grown)
Wharawhara or Astelia - Chatham Island Ht 50-150cm
NZ native. Robust, erect, broad silvery leaves drooping at the tip. Orange fruits in the centre of the clump. Occurs on wet peaty soils, but will grow in drier conditions.
Group trees and shrubs:
No
Categories:
- Grass - Strap like leaves
- NZ native
- Evergreen
- Resistant to salt spray
- Tolerates wet sites
- Tolerates exposed sites
- Attractive flowers or catkins
- Attractive to birds
- Attractive berries fruits or cone
- Container Grown
Alnus x spaethii
Hybrid alder (A.japonica x A.subcordata) Ht 20-25m
Narrowly conical at Eastwoodhill Arboretum, deciduous, leaves similar to A .subcordata. Smaller growing, neat shelter tree.
Group trees and shrubs:
Yes
Categories:
- Medium tree
- Deciduous
- Tolerates wet sites
- Attractive flowers or catkins
Alnus rubra
Oregon or red alder Ht 25-30m
West North America. Broadly conical deciduous. Vigorous growth on hillsides as well as stream sides. Produces good hardwood timber for furniture and panelling. Planted for shelter. Red winter buds identify this alder.
Group trees and shrubs:
Yes
Categories:
- Large tree
- Deciduous
- 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 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 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 `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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