Rhododendron insigne

Himalayan Rhododendron

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A majestic Himalayan shrub with dark green velvety leaves and large pink bell-shaped flowers. Requires acidic soil, cool climates, and high humidity to thrive.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Himalayan Rhododendron
Family Ericaceae
Genus Rhododendron
Species Insigne
Origin Himalayas (Nepal, Bhutan)
Blooming Late spring to early summer, large pink flowers
Leaf Color Dark green with rusty indumentum underneath
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic ericaceous compost mixed with perlite for drainage; pH 4.5-6.0 required

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Watering

Keep soil consistently moist but never waterlogged; use rainwater or soft water to prevent lime burn

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Sunlight & Care

Bright filtered light; avoid harsh direct midday sun which scorches leaves

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Fertilization

Apply slow-release acid-loving fertilizer in early spring before blooming

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Pruning

Deadhead after flowering and prune lightly in late summer to maintain shape

Pest Control Aphid Lace Bug 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° – 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)
1000 – 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
water
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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