Hypericum Red Jewel

Red Jewel St John's Wort

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Compact shrub with glossy green leaves, bright yellow summer flowers and vibrant persistent red berries. Popular ornamental.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Pet Friendly
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Plant Details

Common Name Red Jewel St John's Wort
Family Hypericaceae
Genus Hypericum
Species Hypericum Perforatum 'Red Jewel'
Variety Red Jewel
Origin Cultivar (Hybrid)
Blooming Summer to Autumn, red berries persist into winter
Leaf Color Dark green / Glossy green
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-draining fertile loam or standard potting mix with perlite

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Watering

Keep soil evenly moist during active growth, reduce watering significantly in winter dormancy

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Sunlight & Care

Requires full sun for best flowering and berry production, tolerates partial shade in hotter climates

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Fertilization

Apply balanced liquid fertilizer monthly from April to August

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Pruning

Prune after flowering season to maintain shape and remove dead wood

Pest Control Aphid Leafhopper 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° – 90°
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)
4000 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 3200
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 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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