Northern Hollyfern
Polystichum lonchitis
- Native to:
- Afghanistan, Albania, Austria, Baltic States, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Finland, Føroyar, France, Germany, Great Britain, Greece, Greenland, Hungary, Iceland, India, Iran, Ireland, Italy, Japan, Kazakhstan, Kriti, Krym, Kuril Is., Morocco, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Romania, Russia, Spain, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Türkiye-in-Europe, Ukraine, United States
Walter Siegmund (talk)






Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Polypodiaceae
- Genus:
- Polystichum
- Species:
- Polystichum lonchitis
- USDA Symbol:
- POLO4
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:
- rocky, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers calcareous substrates in natural habitats
Propagation & Germination
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI