Rhododendron tomentosum

Northern Labrador Tea

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Deciduous subshrub with aromatic leaves, native to northern bogs. Produce clusters of white flowers and requires acidic soil.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Northern Labrador Tea
Family Ericaceae
Genus Rhododendron
Species Tomentosum
Origin Northern Hemisphere, Europe, Asia
Blooming Late spring to early summer, white/pale pink flowers
Leaf Color Dark green upper, grey-white felted underside
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic peat mixture, ericaceous compost, excellent drainage required

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Watering

Keep soil consistently moist but not waterlogged. High humidity essential for indoor growth

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Sunlight & Care

Bright indirect light; avoid harsh midday sun in summer, prefers cool conditions

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Fertilization

Apply specific acid fertilizer once a month during active growth (spring-summer)

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Pruning

Prune lightly after flowering to remove dead wood and shape the plant

Pest Control Aphid 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 3 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
41° – 75°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
45% – 75%
% 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% – 80%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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