Bulbophyllum radiatum

Radiate Bulbophyllum

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Epiphytic orchid from Southeast Asia with clustered small flowers featuring distinctive star-shaped blooms and pseudobulbs growing attached to tree bark.
yard Indoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Radiate Bulbophyllum
Family Orchidaceae
Genus Bulbophyllum
Species Radiatum
Origin Borneo, Sumatra
Blooming Epiphytic orchid, blooms spring to summer with small star-shaped flowers in clusters
Leaf Color dark green
Sunlight Half-shade
Category Indoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Epiphytic bark mix with perlite and sphagnum moss, mounted on cork or in hanging baskets for air circulation

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Watering

Water regularly during growing season allowing surface to dry between waterings; reduce in winter dormancy period

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Sunlight & Care

Bright indirect light only, avoid direct sun which scorches leaves; prefer filtered light conditions

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Fertilization

Apply diluted orchid fertilizer weekly at 1/4 strength during active growth phase from March to September

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Pruning

Remove dead pseudobulbs and spent flower spikes after blooming with sterile cutting tools

Pest Control Mealybug Scale Insect Spider Mite Thrip

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 4 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
61° – 86°
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)
4000 – 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
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Soil Moisture
20% – 45%
% 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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