Primula obconica

Obconic Primrose

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Compact perennial herb with glandular-hairy leaves and vibrant cup-shaped flowers. Contact with sap may cause dermatitis; toxic if ingested.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Obconic Primrose
Family Primulaceae
Genus Primula
Species Obconica
Origin China
Blooming Foliage plant; flowers from winter to spring in cool conditions
Leaf Color Dark green with lighter veins
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Peat-based mix with perlite; slightly acidic pH required for drainage and nutrient uptake.

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Watering

Keep soil consistently moist but not waterlogged. Avoid wetting foliage to prevent rot and dermatitis; use bottom watering.

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Sunlight & Care

Bright indirect light only. Direct sun scorches leaves. Keep cool to prevent dormancy.

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Fertilization

Apply diluted liquid fertilizer every 2 weeks during bloom season (winter-spring). Reduce in summer heat.

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Pruning

Remove spent flowers and yellowing leaves promptly to maintain shape and prevent disease spread.

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 5 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
50° – 75°
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 – 8000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
200 – 1500
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
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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