Polystichum tsus-simense

Genus & species | Common name:
Polystichum tsus-simense | Korean Rock Fern — Named for its native habitat among rocky hillsides in Korea and East Asia.

How to grow:
Ideal for rock gardens or shaded corners with moist soil. Requires protection from intense sun and dry winds. Slow-growing but hardy.

Growing requirements:

• a) Water: Moderate; keep moist, not wet
• b) Soil / substrate: Moist, loose, humus-rich with good drainage
• c) Humidity: Moderate (40–60%)
• d) Sunlight: Full shade to soft filtered light (2,000–5,000 lux); 8–12W grow light
• e) Temperature: 15–24°C

Growth habit:
Clumping rhizome

Growing season & conditions:
Cool season growth; prefers spring and monsoon

Acclimatization on transport:
Slow to adapt; prefers stable, cool humidity and low light