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ACER macrophyllum
Commonly known as Big leaf maple, Oregon maple
Large dark green deeply lobed leaves which turn a bright orange in autumn. Fragrant yellow flowers in clusters followed by bristly fruit
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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Good to know
The largest leaves of any maple -
Pests & Diseases
Aphids, mites (causing galls), caterpillars, Verticillium wilt, leaf scorch, honey fungus -
Place of origin
Western North America -
DeciduousBroadly ovate, deeply 5-lobed, glossy leaves 20-30cm (8-12in) long
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Yellow
Yellow-green -
RacemesPendent racemes 10-15cm (4-6in) long
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Woodland garden
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Fully hardy
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Lobed
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Ovate
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Height
20m (65ft) -
Spread
20m (65ft) -
TreeVigorous. Produces large, bristly, winged fruit
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Pruning group 1
Suitable for: Deciduous and evergreen trees, and some deciduous shrubs.
Pruning: Minimal pruning required. Prune wayward or crossing branches to maintain a healthy framework.
When: When dormant in the late winter/early spring. Some in the summer/autumn to prevent bleeding of sap.
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Very hardy
Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F) -
Autumn Seasonal Interest
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Spring Seasonal Interest
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Fertile moist well-drained soil
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Full sun
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Partial shade
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Rounded to broadly spreading
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Mature Size20m (65ft)
20m (65ft)
View Detailed Plant Description
View Planting Tips and Care Advice
Acers - Care Guide