Rhododendron lutescens

Yellow Rhododendron

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Evergreen shrub with vibrant yellow bell-shaped blooms, native to the Himalayas. Requires acidic soil and cool temperatures for optimal growth and flowering.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Yellow Rhododendron
Family Ericaceae
Genus Rhododendron
Species Lutescens
Origin Himalayas (Nepal, Bhutan)
Blooming Yellow bell-shaped blooms in late spring to early summer, foliage year-round
Leaf Color Dark green with grey undertones
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic peat-based mix with perlite for drainage; avoid lime or alkaline substrates.

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Watering

Keep soil consistently moist but never waterlogged. Use rainwater or distilled if possible due to pH sensitivity.

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Sunlight & Care

Filtered light or morning sun only. Protect from harsh midday heat to prevent leaf scorch.

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Fertilization

Apply specialized acid-loving plant fertilizer in early spring and late summer; avoid over-fertilizing.

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Pruning

Prune immediately after flowering to maintain shape and remove dead wood; avoid heavy cutting on old wood.

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° – 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)
600 – 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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