Acer saccharum subsp. grandidentatum
Bigtooth maple, Acer grandidentatum, Canyon maple, Wasatch maple, Western sugar maple, Big-tooth maple
Acer Acer
A. saccharum subsp. grandidentatum - A. saccharum subsp. grandidentatum is a dense, rounded to oval, deciduous tree with glossy, lobed, toothed, dark green leaves turning scarlet, orange, or yellow in autumn. Upright corymbs of yellow-green flowers in spring are followed by paired, winged, light green seeds .
Acer saccharum subsp. grandidentatum is: Deciduous
Rounded, Oval-headed, Dense
Yellow-green in Spring
Dark-green in Spring; Dark-green in Summer; Orange, Yellow, Scarlet in Autumn
Aphids , Horse chestnut scale Aphids , Horse chestnut scale
Verticillium wilt Verticillium wilt
Pruning group 1. Prune in late autumn to midwinter only.
Seed, Grafting
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Acer saccharum subsp. grandidentatum (Bigtooth maple) will reach a height of 10m and a spread of 10m after 20-50 years.
Specimen tree, Low Maintenance, Foliage only, City, Architectural
Grow in fertile, moist but well-drained soil in full sun or partial shade.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Acer saccharum subsp. grandidentatum
Bigtooth maple, Acer grandidentatum, Canyon maple, Wasatch maple, Western sugar maple, Big-tooth maple
Acer Acer
A. saccharum subsp. grandidentatum - A. saccharum subsp. grandidentatum is a dense, rounded to oval, deciduous tree with glossy, lobed, toothed, dark green leaves turning scarlet, orange, or yellow in autumn. Upright corymbs of yellow-green flowers in spring are followed by paired, winged, light green seeds .
Western United States
Deciduous
Rounded, Oval-headed, Dense
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Yellow-green in Spring
Dark-green in Spring; Dark-green in Summer; Orange, Yellow, Scarlet in Autumn
Pruning group 1. Prune in late autumn to midwinter only.
Seed, Grafting
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Acer saccharum subsp. grandidentatum (Bigtooth maple) will reach a height of 10m and a spread of 10m after 20-50 years.
Specimen tree, Low Maintenance, Foliage only, City, Architectural
Grow in fertile, moist but well-drained soil in full sun or partial shade.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Sun
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 8, Zone 7, Zone 6, Zone 5
Acer saccharum subsp. grandidentatum (Bigtooth maple)
Apple root knot nematode
Meloidogyne mali
Nematode
Unknown
3
4
UK (along with certain other European countries) received potentially infested trees in 1992; but these were destroyed at the end of the trial period and targeted surveillance has failed to find any trace of the nematode. Main impacts are on elm; apple and mulberry and industry should source such material carefully.
Acer saccharum subsp. grandidentatum (Bigtooth maple)
Alfalfa dwarf; Anaheim disease; California vine disease; Dwarf disease of alfalfa; Dwarf disease of lucerne; Leaf scald of oleander; Leaf scald of plum; Leaf scorch; Phony disease of peach; Pierce's disease of grapevine; Variegated chlorosis of citrus
Xylella fastidiosa subsp. multiplex
Bacterium
Absent
3
4
A bacterial disease with a wide host range detected in Corsica. Although EU regulated; there remains some concern about the risk of introduction. This subspecies is known to be able to thrive in cooler climates. Should an outbreak occur; there would be a need for eradication action which would result in environmental and social impacts.
Acer saccharum subsp. grandidentatum (Bigtooth maple)
Hylesia nigricans
Insect
Absent
2
4
South American moth which could be damaging to broadleaf species if introduced to the UK; as well as having human health impacts. The main pathway is likely to be goods (including non-plant material) imported from South America and awareness raising with the main industry sectors is recommended.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
Soil drainage: | Moist but well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Partial Shade, Full Sun | Tell us... |
Aspect: | North, South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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