Hypericum x Inodorum

St John's Wort Hybrid

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Deciduous sub-shrub with large, cup-shaped yellow flowers and dark green foliage. Hardy, drought-tolerant ground cover or ornamental border plant.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name St John's Wort Hybrid
Family Hypericaceae
Genus Hypericum
Species X Inodorum
Origin Hybrid (Mediterranean & East Asia)
Blooming Spring to Summer, large yellow blooms
Leaf Color Dark green
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining fertile loam or potting mix with perlite. pH 6.0-7.5.

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Watering

Keep soil moist but not waterlogged. Reduce watering in winter dormancy.

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Sunlight & Care

Prefers full sun for best flowering, tolerates partial shade. Needs bright light indoors.

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Fertilization

Apply liquid fertilizer monthly during growing season (Spring/Summer).

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Pruning

Prune after flowering to maintain shape and remove dead wood.

Pest Control Aphid Beetle Leaf Miner 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 4 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° – 86°
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)
2000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
10 – 250
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 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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