Rhododendron impeditum

Dwarf Blue Rhododendron

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Compact evergreen shrub with violet-blue flowers native to the Himalayas. Slow-growing, ideal for rock gardens or cool conservatories requiring acidic soil.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Dwarf Blue Rhododendron
Family Ericaceae
Genus Rhododendron
Species Impeditum
Origin Himalayas / China
Blooming Spring, usually May-June with violet-blue flowers.
Leaf Color Dark green (turns purplish in winter)
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
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Care & Maintenance

terrain
Soil

Acidic ericaceous mix, peat based with perlite for drainage. Avoid lime.

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Watering

Keep soil consistently moist using rainwater or soft water; never let dry out completely but ensure good drainage.

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Sunlight & Care

Bright indirect light or morning sun; avoid harsh afternoon exposure to prevent leaf scorch.

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Fertilization

Apply specific ericaceous feed in spring only, avoid high nitrogen during bud formation.

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Pruning

Light pruning immediately after flowering to remove dead wood and maintain compact shape.

Pest Control Aphid Lace Bug Scale 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
50% – 80%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
800 – 20000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
150 – 400
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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