Braun's Hollyfern

Polystichum braunii

Native to:
Austria, Baltic States, Belarus, Bulgaria, Canada, China, Czechia-Slovakia, France, Germany, Hungary, Iran, Italy, Japan, Korea, Kuril Is., Labrador, North Caucasus, Norway, NW. Balkan Pen., Poland, Prince Edward I., Romania, Russia, Spain, Sweden, Switzerland, Transcaucasus, Türkiye, Ukraine, United States

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Taxonomy

Division:
Pteridophyta | - Ferns
Family:
Polypodiaceae
Genus:
Polystichum
Species:
Polystichum braunii
USDA Symbol:
POBR4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
90 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
small mammals
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.0 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
prefers shaded forest floors

Propagation & Germination

Notes:
Fern reproduces via spores; spore germination requires moist, shaded conditions and can take several months to develop gametophytes.

The above propagation data sourced from Claude AI

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