United States / Grow / Hollyferns

Hollyferns Polystichum

This hub compares 5 species records. Across all 5 records, it carries 21 evidence rows from 7 distinct cited sources. The species split is 2 fire-resistant and 3 awaiting directional evidence. The species records remain separate: their evidence does not become one verdict for the genus.

Fire-resistant: 2 species

Christmas fern Fire-resistant Polystichum acrostichoides Consensus · 4 sources Zones 3–9
Polystichum vestitum Fire-resistant Polystichum vestitum Limited evidence · 7 sources

Awaiting evidence: 3 species

Polystichum chilense Awaiting evidence Polystichum chilense Limited evidence · 8 sources
mother shield-fern Awaiting evidence Polystichum proliferum Limited evidence · 1 source
Polystichum cystostegia Awaiting evidence Polystichum cystostegia Mid-scale score · 1 source

About hollyferns

Directory notes

Plant forms recorded in this group: perennial. The records span published USDA zones 3–9. These are record-level fields, not a whole-genus flammability claim.

More about Polystichum: Wikipedia — external references; not evidence sources.

Where rated hollyferns grow

Tagged as growing in 35 states.

See Polystichum on Grow → · JSON