Leathery Polypody (Polypodium scouleri): Coastal, Leathery Fern for Rock Crevices

Overview

Leathery polypody (Polypodium scouleri), also called coast polypody, is a **tough, evergreen fern** native to coastal western North America from Alaska to California. Its **leathery, once-pinnate fronds** (6–18 inches) are thick, glossy, and deeply lobed, arising from a creeping, scaly rhizome that clings to rock faces, cliffs, and tree trunks in the fog belt. It thrives in the salt spray and wind of the immediate coast.

Coastal Survivor

• Salt & Wind Tolerance: Withstands harsh maritime exposure.
• Leathery Armor: Thick fronds resist desiccation and abrasion.
• Epiphytic & Saxicolous: Grows on trees and rocks alike.

Culture

Partial shade to full sun (coastal); **sharp drainage essential** (gritty, rocky soil). Drought tolerant once established. Ideal for coastal rock gardens, crevice gardens, and maritime plantings. Hardy USDA zones 7–10.

Taxonomic Profile

Armored for the edge of the continent, leathery polypody laughs at salt and wind.