Hypericum androsaemum

Dwarf St. John's Wort

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Deciduous shrub with yellow star-shaped flowers turning into red berries. Hardy perennial native to Europe and Asia.
yard Outdoor plants wb_sunny Shade / Half-shade pets Not pet-safe
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Plant Details

Common Name Dwarf St. John's Wort
Family Hypericaceae
Genus Hypericum
Species Androsemum
Origin Southern Europe, Western Asia
Blooming Summer to early autumn, followed by berries
Leaf Color Green, turning yellow/orange in autumn
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining fertile loam or peat-based mix with perlite

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Watering

Keep soil consistently moist during growth, reduce significantly in winter dormancy

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Sunlight & Care

Full sun to partial shade. Indoor needs bright indirect light for flowering

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Fertilization

Apply balanced liquid fertilizer every 2 weeks from spring to late summer

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Pruning

Prune after flowering to maintain shape and remove dead 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% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 8000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 1800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
20% – 65%
% 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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