Acer macrophyllum

Bigleaf Maple

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Large deciduous tree native to the Pacific Northwest, known for its huge leaves and vibrant autumn color.
yard Outdoor plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Bigleaf Maple
Family Sapindaceae
Genus Acer
Species Macrophyllum
Origin Western North America
Blooming Small greenish-yellow flowers, early spring
Leaf Color Dark green to golden yellow/orange (autumn)
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

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Soil

Rich, moist, well-drained loamy soil; tolerates clay but requires good drainage

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Watering

Keep soil consistently moist during growing season; reduce significantly in winter dormancy

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Sunlight & Care

Prefers full sun to partial shade; scorches in intense afternoon heat without water

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth

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Pruning

Prune dead wood in late summer to avoid bleeding sap; shape young trees in dormancy

Pest Control Aphid Leaf Miner Scale Insect

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

thermostat
Temperature
23° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 12000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Acer macrophyllum? Select a symptom to diagnose and fix the issue.

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