Korean Rockfern
Polystichum luctuosum
- Native to:
- China, Eswatini, India, Japan, Korea, Lesotho, Madagascar, Nepal, Netherlands, Pakistan, Réunion, South Africa, Taiwan, Vietnam, Zimbabwe
Photo by David J. Stang





Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Polypodiaceae
- Genus:
- Polystichum
- Species:
- Polystichum luctuosum
- USDA Symbol:
- POTS
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers shaded, forested areas