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