Korean Rock Fern - Polystichum Tsus-Simense

Korean rock fern, also known as Polystichum tsus-simense, is a species of evergreen fern native to Korea and Japan. It is a popular ornamental plant that can be grown both indoors and outdoors. Here are some details about Korean rock fern and care instructions:

• Light: Korean rock fern thrives in partial to full shade, but can also tolerate some direct sunlight in the morning or evening.
• Water: Keep the soil moist but not waterlogged. Water when the top 1-2 inches of soil feels dry to the touch.
• Humidity: Korean rock fern prefers high humidity levels and benefits from regular misting or a pebble tray to increase moisture in the air.
• Temperature: Korean rock fern prefers cooler temperatures between 16-30°C.
• Soil: Plant in well-draining, fertile soil with a slightly acidic to neutral pH (around 6.0-7.0).
• Fertilizer: Feed every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength.
• Pruning: Remove any damaged or discolored fronds to promote healthy growth. Prune back old fronds in the spring to encourage new growth.
• Propagation: Korean rock fern can be propagated by spores or division. To divide, gently remove the plant from its pot and separate the root ball into smaller sections with a clean knife or scissors. Plant each section in its own pot with fresh soil.
• Pests and diseases: Korean rock fern is generally resistant to pests and diseases, but can be susceptible to scale insects and fungal leaf spots. Keep the plant clean and free from debris to prevent issues. If necessary, treat with an appropriate insecticide or fungicide.