Rhododendron maximum

Great Laurel

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Rhododendron maximum is an evergreen shrub with large leathery leaves and clusters of fragrant white to pale pink flowers in late spring, native to the mountains of eastern North America.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com - Out of Stock $64.99 Buy
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Plant Details

Common Name Great Laurel
Family Ericaceae
Genus Rhododendron
Species Maximum
Origin Eastern North America
Blooming Late spring, typically May-June
Leaf Color Dark green, glossy
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic peat-based soil (pH 4.5-6.0), well-drained with high organic matter content

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Watering

Keep soil consistently moist but not waterlogged, requires acidic watering conditions

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Sunlight & Care

Prefers partial shade or dappled sunlight, avoid intense afternoon sun which can scorch leaves

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Fertilization

Apply acid-loving plant fertilizer in early spring before blooming period

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Pruning

Light pruning after flowering to maintain shape, remove dead or damaged branches

Pest Control Aphid Rhododendron Borer Scale Insect Spider Mite

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
thermostat

Growing Parameters

thermostat
Temperature
5° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 10000
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
water
Soil Moisture
30% – 65%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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