Polystichum tsus-simense

Korean Holly Fern

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Evergreen fern with leathery, dark green fronds and spiny margins. Ideal for shaded indoor spots or woodland gardens requiring low maintenance care.
yard Outdoor plants wb_sunny Shade / Half-shade pets Pet Friendly
info Pot sizes shown are estimations. Real dimensions may vary depending on the merchant.
Merchant Pot Size Availability Price
Amazon.com 5-6 in Out of Stock $34.99 Buy
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Plant Details

Common Name Korean Holly Fern
Family Dryopteridaceae
Genus Polystichum
Species Tsus-Simense
Origin East Asia (Japan, Korea)
Blooming Ferns do not bloom; reproduce via spores on frond undersides
Leaf Color Dark green, glossy
Sunlight Shade / Half-shade
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Rich, humus-based potting mix with good drainage and peat moss

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Watering

Keep soil consistently moist but not waterlogged; high humidity essential

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Sunlight & Care

Avoid direct sun; prefers shade or dappled light indoors for lush fronds

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Fertilization

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

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Pruning

Remove dead or damaged fronds in early spring before new growth emerges

Pest Control Aphid Mealybug Scale Insect Snail

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

eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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Growing Parameters

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Temperature
41° – 79°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
400 – 8000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
250 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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