Rhododendron brachycarpum

Short-calyx Rhododendron

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Compact evergreen shrub native to China, prized for small flowers and bonsai potential. Requires acidic soil and cool conditions.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Short-calyx Rhododendron
Family Ericaceae
Genus Rhododendron
Species Brachycarpum
Origin China
Blooming Spring, April to May with vibrant small flowers
Leaf Color Dark green turning bronze in winter
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Acidic ericaceous mix (peat moss, pine bark), pH 4.5-6.0 essential for nutrient uptake.

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Watering

Keep soil consistently moist but well-drained; use rainwater or low-lime water to prevent chlorosis.

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Sunlight & Care

Prefers morning sun and afternoon shade; protect from intense midday heat to prevent leaf scorch.

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Fertilization

Apply specialized acid-loving plant fertilizer in spring; reduce significantly during winter dormancy.

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Pruning

Prune lightly after flowering to shape; remove dead wood and spent blooms for air circulation.

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 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
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
600 – 10000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
800 – 2000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
35% – 70%
% 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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