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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Polystichum lemmonii

Polystichum lemmonii Underw.

Lemmon's Holly Fern, Shasta Holly Fern

Dryopteridaceae (Wood Fern Family)

Synonym(s): Polystichum mohrioides

USDA Symbol: POLE5

USDA Native Status: L48 (N), CAN (N)

An evergreen, drift-forming, Lemmonís holly fern with relatively soft, 4-8 in. long, bipinnate fronds. The pinnae are neatly scalloped and arranged in a tightly overlapping pattern.

 

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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Leaf Retention: Evergreen
Leaf Complexity: Bipinnate
Fruit:
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.

Distribution

USA: CA , ID , OR , WA
Canada: BC
Native Distribution: N. CA & s.w. OR; also the Wenatchee Mts., WA & n. ID
Native Habitat: Open, rocky, serpentine slopes below timberline

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Basic, magnesium-rich rocks.
Conditions Comments: Grown from spores at rare plant nurseries. Success is possible with a cool, moist root run and reduced winter sogginess.

Propagation

Description: Propagate from spores.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Additional resources

USDA: Find Polystichum lemmonii in USDA Plants
FNA: Find Polystichum lemmonii in the Flora of North America (if available)
Google: Search Google for Polystichum lemmonii

Metadata

Record Modified: 2017-11-15
Research By: TWC Staff

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