Korean Rock Fern
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The Korean Rock Fern, scientifically known as Polystichum tsus-simense, is a compact and resilient fern with dark green, lance-shaped fronds. Its elegant, arching foliage and robust nature make it a versatile addition to indoor spaces, adding a touch of lush greenery to shelves, desks, or shaded corners.
Native to Korea and Eastern Asia, this fern is known for its ability to adapt to various conditions and its low-maintenance care requirements. Its attractive appearance and pet-friendly nature make it an excellent choice for homes and offices alike.
- Common Names: Korean Rock Fern, Tsus-simense Fern
- Botanical Name: Polystichum tsus-simense
- Size: Grows up to 12-18 inches tall and wide indoors with proper care.
Care Instructions
- Light: Prefers bright, indirect light but adapts well to medium and low-light conditions. Avoid prolonged direct sunlight, which can damage its fronds.
- Water: Keep the soil evenly moist but not soggy. Water when the top inch of soil feels dry. Avoid letting the soil completely dry out.
- Humidity: Thrives in moderate to high humidity. Mist occasionally or use a pebble tray to maintain ideal conditions in drier environments.
- Feeding: Fertilize every 6-8 weeks during the growing season (spring and summer) with a diluted liquid fertilizer. Reduce feeding in fall and winter.
- Temperature: Maintain temperatures between 60°F and 75°F. Protect from cold drafts and temperatures below 50°F.
- Soil: Use a well-draining potting mix rich in organic matter, such as one formulated for ferns or tropical plants.
Frequently Asked Questions
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Why are the fronds of my Korean Rock Fern turning brown?
Browning fronds can result from low humidity, inconsistent watering, or exposure to drafts. Increase humidity and ensure regular watering for optimal health. -
Can the Korean Rock Fern grow outdoors?
Yes, it can be grown outdoors in shaded or partially shaded areas in USDA zones 6-9. -
How do I propagate the Korean Rock Fern?
Propagation is typically done through division. Separate the plant during repotting, ensuring each division has healthy roots and fronds.
Why Choose Korean Rock Fern?
The Korean Rock Fern is a hardy and elegant plant that brings a touch of natural beauty to any indoor or shaded outdoor space. Its compact size, easy-care nature, and pet-friendly qualities make it a versatile and rewarding addition to any plant collection.
Shipping costs and delivery times
Shipping costs and delivery times
We offer free shipping on all orders over $50! For orders under $50, shipping is $4.99 for purchases under $29.99 and $9.99 for purchases between $30 and $49.99.
Our standard delivery time is 2-4 business days, ensuring your plants arrive fresh and ready to thrive.
Unboxing & Next Steps
Unboxing & Next Steps
Upon arrival, carefully unpack your plant and remove all packaging materials. Check the soil moisture and water if needed. Place your plant in a suitable spot with the recommended light conditions. Allow it to acclimate to its new environment for a few days before considering repotting.
Some leaf stress is normal after transit — your plant will perk up with a little love 💚
Worry-Free Guarantee
Worry-Free Guarantee
We offer a 30-Day Guarantee on all our plants. If your plant dies within 30 days of purchase, simply contact us with a photo, and we will send you a replacement free of charge or offer a full refund.
If your plant arrives damaged, email us within 48 hours with a photo and we’ll make it right, no hassle.



Why Choose Us?
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Your happiness is our priority. We stand by our plants with a 30-day guarantee, ensuring you’re delighted with every order.
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Enjoy fast and free shipping on all orders over $50, bringing greenery to your doorstep at no extra cost.
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Each plant is thoughtfully hand-selected, carefully packaged, and delivered fresh from our greenhouse to your door.

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