Northern Hollyfern
Polystichum lonchitis
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Polypodiaceae
- Genus:
- Polystichum
- Species:
- Polystichum lonchitis
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 2-3 ft
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Colors:
- Not Applicable
Native Range
United States: Alaska, Arizona, California, Colorado, Idaho, Michigan, Minnesota, Montana, Nevada, New York, Oregon, South Dakota, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Nova Scotia, Northwest Territories, Ontario, Quebec, Yukon
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
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
Germination Information
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: OpenAI GPT-4o