Polystichum Tsussimense Korean Rock Fern
£6.00
Korean Rock Fern – Polystichum Tsussimense
The Korean Rock Fern (Polystichum tsussimense) is a compact, elegant fern with deep green, leathery fronds that bring structure and beauty to indoor and outdoor spaces. Native to East Asia, this fern has a naturally upright growth habit and glossy foliage, making it stand out from softer-textured ferns. Its hardy nature and rich green tones make it an excellent addition to any plant collection.
This versatile fern thrives in pots, shaded gardens, terrariums, vivariums, kokedama, and moss bowls. Its compact size and striking foliage make it a favourite for creative planting projects and miniature landscapes. Pet-friendly and easy to grow, it’s also a safe choice for households with cats and dogs. Like many ferns, it is also air-purifying, helping to create a healthier indoor environment.
Quick Care Guide:
☀️ Light: Prefers low to medium indirect light. Avoid harsh direct sun.
💧 Water: Keep soil evenly moist but not soggy. Do not allow to fully dry out.
💧 Humidity: Enjoys moderate to high humidity – thrives in terrariums and bathrooms.
💡 Tip: Perfect for terrariums, vivariums, kokedama, and moss bowls. Trim older fronds to keep it looking fresh.
Why Choose Korean Rock Fern?
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Upright growth with glossy, deep green fronds
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Pet-friendly – safe for cats and dogs
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Air-purifying – improves indoor air quality
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Ideal for terrariums, vivariums, kokedama, moss bowls, pots, and shaded gardens
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Hardy and easy to care for, suitable for beginners and enthusiasts alike
Additional Info:
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All plants come with a scannable QR code on the pot for detailed care guidance.
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Plants are chosen at random from healthy current stock. Natural variation in size and leaf count will occur.
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Eco-friendly packaging is reused or recyclable to reduce waste.
Bring home the Korean Rock Fern (Polystichum tsussimense) for a compact, terrarium-friendly, pet-safe plant that works beautifully in kokedama, moss bowls, and other creative displays.
- How often should I water my Korean Rock Fern?
- Maintain consistent moisture by watering when the topsoil feels slightly dry to the touch, usually once or twice a week depending on indoor conditions. Reduce frequency in winter to prevent waterlogging.
- Is the Korean Rock Fern suitable for terrariums, and if so, how do I incorporate it?
- Yes, this fern is perfect for terrariums due to its compact size and humidity requirements. Place it in a shaded part of the terrarium with well-draining, moisture-retentive soil and avoid direct sunlight to prevent leaf burn.
- Can this fern coexist with pets in the house?
- Absolutely! The Korean Rock Fern is pet-friendly, making it safe to keep around cats and dogs. Its non-toxic nature ensures it’s a secure choice for pet owners looking to greenify their indoor spaces.
☀️ Light
☀️☀️▫️ (Medium)
The Polystichum Tsussimense Korean Rock Fern thrives in medium to low indirect light. It’s best to keep it away from direct sunlight to avoid scorching its delicate fronds.
💧 Water
💧💧▫️ (Medium)
Keep the soil consistently moist but ensure it’s not waterlogged. In the winter months, you can reduce the watering frequency slightly as the plant’s growth slows down.
🌡️️ Temperature
🌡️️🌡️️▫️ (Average)
This fern prefers temperatures between 16-24°C (60-75°F), which makes it well-suited to typical indoor environments.
💦 Humidity
💦💦💦 (High)
The Korean Rock Fern loves humidity. It’s ideal for humid parts of your home or you might consider regular misting or placing it in a terrarium to keep it happy.
💦 Repotting
Use a well-draining, moisture-retentive potting mix to ensure the best growth. This type of soil is available at our shop, perfect for your fern. Consider repotting every 2-3 years to refresh the soil.
🐾 Pet Friendliness
This fern is completely pet-friendly, so it’s safe to keep around your furry friends without worry!
🪴 Recommended locations at home
Place your Korean Rock Fern in bathrooms or kitchens where humidity tends to be higher. It can also enhance spaces like living rooms if humidity conditions are met.
💦 Air Purifying
This fern helps purify the air, making it not only a beautiful addition to your home but a beneficial one too!
✨ Other Plant Features
Aside from its lush, feathery fronds and ease of care, the Korean Rock Fern is perfect for terrariums, kokedama, and vivariums, adding a touch of elegance and greenery to your indoor spaces.
If you have more questions about caring for your Korean Rock Fern, feel free to ask Mossbot on our website. We also offer a free plant hospital service if your plants need a little extra TLC. Don’t hesitate to contact us!

Free Care Guide With Every Purchase
Scan the plant pot QR for instant access to our care guide for your plant. No hassle, no stress, just healthy and happy plants.
Verified reviews from our customers
5 star | 96% | |
4 star | 3% | |
3 star | 1% | |
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1 star | 0% |
5* service as always, messages replied to promptly with information I needed.
Super speedy dispatch and delivery
Have ordered online for both in-store and delivery and also been into the shop, always been a straight forward experience. Delivery was really well packaged, marked as fragile and live plants on it.
It was an instore purchase
Fast delivery, the plant was perfectly secure in the package. I was so impressed that I have already placed a second order! Definitely recommend this small business 😊