Primula capitata

Cushion Primrose

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Alpine perennial forming cushion-like rosettes of foliage with clustered umbels of flowers. Prefers cool temperatures and high humidity, often grown as a seasonal houseplant.
yard Outdoor plants wb_sunny Half-shade pets Pet Friendly
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Plant Details

Common Name Cushion Primrose
Family Primulaceae
Genus Primula
Species Capitata
Origin Himalayas / Western China
Blooming Spring / Early Summer, indoor flowering often in winter months
Leaf Color Dark green with greyish bloom
Sunlight Half-shade
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Peat-based mix with perlite for drainage, keep consistently moist but not waterlogged

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Watering

Keep soil evenly moist. Water at base to avoid wetting foliage which can cause rot or mildew. Reduce watering after flowering.

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Sunlight & Care

Bright indirect light only; direct sun scorches leaves and flowers. Protect from heat sources.

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Fertilization

Apply balanced liquid fertilizer diluted by half monthly during active growth (Spring-Fall). Stop fertilizing in winter dormancy.

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Pruning

Remove spent flowers and yellowing leaves promptly to encourage new growth and prevent disease.

Pest Control Aphid Fungus Gnat Mealybug 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
46° – 72°
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)
1500 – 5000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
400 – 1200
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
35% – 65%
% 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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