Hypericum Icy Pearl

Icy Pearl St. John's Wort

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Compact evergreen shrub featuring glossy dark green foliage, profuse white flowers with yellow stamens in summer, and bright red berries persisting into winter.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Icy Pearl St. John's Wort
Family Hypericaceae
Genus Hypericum
Species Hybridum
Variety Icy Pearl
Origin Cultivated Hybrid
Blooming Summer flowers, autumn berries
Leaf Color Dark green glossy
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

High quality potting mix with good drainage; peat-based with perlite or bark

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Watering

Keep soil evenly moist during active growth. Reduce watering in winter to prevent root rot, but do not let dry out completely

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Sunlight & Care

Requires full sun for best flowering and berry production; indoors needs a south-facing window or grow lights

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Fertilization

Feed with balanced liquid fertilizer monthly from April to September

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Pruning

Prune lightly after flowering to maintain shape; avoid cutting into old wood

Pest Control Aphid Leaf Miner Spider Mite Whitefly

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)
4000 – 30000
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
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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