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Korean Rock Fern

Polystichum tsus-simense

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Overview

The Korean Rock Fern, Polystichum tsus-simense, is an evergreen with arching, dark green fronds reaching up to 1-1.5 feet long. This shade-loving fern thrives in USDA zones 5-8, favoring well-drained, humus-rich soil. Its compact size and resistance to deer make it ideal for shady rock gardens, woodland settings, or borders. Adds textured ground cover, requiring minimal maintenance. Space plants approximately 18 inches apart to ensure full growth potential.

Sun Half, ShadeWater Extra in Summer, High, MediumZones 5–9Type FernClimate Temperate
Korean Rock Fern (Polystichum tsus-simense) — it is an excellent choice for north-facing gardens
Korean Rock Fern (Polystichum tsus-simense) — is an evergreen with archingKorean Rock Fern (Polystichum tsus-simense) — dark green fronds reaching up to 1-1.5 feet longKorean Rock Fern (Polystichum tsus-simense) — the Korean Rock Fern is a low-maintenance optionKorean Rock Fern (Polystichum tsus-simense) — dark green fronds reaching up to 1-1.5 feet long; indicating a good level of cold hardinessKorean Rock Fern (Polystichum tsus-simense) — consider its needs for moisture and protection from harsh windsKorean Rock Fern (Polystichum tsus-simense) — Adds textured ground cover, requiring minimal maintenance+20

Culture

Sun
Half, Shade
Water
Extra in Summer, High, Medium
USDA zones
5–9

Shape & size

Classification

Type
Fern
Family
Polypodiaceae
Climate
Temperate

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Photos (27)

Korean Rock Fern (Polystichum tsus-simense) — it is an excellent choice for north-facing gardens
Korean Rock Fern (Polystichum tsus-simense) — is an evergreen with arching
Korean Rock Fern (Polystichum tsus-simense) — dark green fronds reaching up to 1-1.5 feet long
Korean Rock Fern (Polystichum tsus-simense) — the Korean Rock Fern is a low-maintenance option
Korean Rock Fern (Polystichum tsus-simense) — dark green fronds reaching up to 1-1.5 feet long; indicating a good level of cold hardiness
Korean Rock Fern (Polystichum tsus-simense) — consider its needs for moisture and protection from harsh winds
Korean Rock Fern (Polystichum tsus-simense) — Adds textured ground cover, requiring minimal maintenance
Korean Rock Fern (Polystichum tsus-simense) — It is essential to note that the Korean Rock Fern requires well-draining
Korean Rock Fern (Polystichum tsus-simense) — This shade-loving fern thrives in USDA zones 5-8, favoring well-drained, humus-rich soil
Korean Rock Fern (Polystichum tsus-simense) — fern for half or shade
Korean Rock Fern (Polystichum tsus-simense) — it grows to a modest size of approximately 1 to 1.5 feet in height and spreads up to 1.5 to 2 feet wide
Korean Rock Fern (Polystichum tsus-simense) — especially during dry periods
Korean Rock Fern (Polystichum tsus-simense) — Its compact size and resistance to deer make it ideal for shady rock gardens, woodland settings, or borders
Korean Rock Fern (Polystichum tsus-simense) — scientifically known as Polystichum tsus-simense
Korean Rock Fern (Polystichum tsus-simense) — Provide a consistent supply of water
Korean Rock Fern (Polystichum tsus-simense) — Space plants approximately 18 inches apart to ensure full growth potential
Korean Rock Fern (Polystichum tsus-simense) — or any area mimicking its natural habitat beneath trees where sunlight filters through the canopy
Korean Rock Fern (Polystichum tsus-simense) — is an evergreen fern that offers lush greenery to shaded garden spots
Korean Rock Fern (Polystichum tsus-simense) — whilst requiring minimal care
Korean Rock Fern (Polystichum tsus-simense) — Its visually appealing dark green fronds add texture and depth to shadowy garden corners
Korean Rock Fern (Polystichum tsus-simense) — but avoid waterlogged conditions which could lead to root rot
Korean Rock Fern (Polystichum tsus-simense) — indicating a good level of cold hardiness
Korean Rock Fern (Polystichum tsus-simense) — making it an ideal understory plant.<br><br>This fern thrives in USDA hardiness zones 6 through 8
Korean Rock Fern (Polystichum tsus-simense) — This shade-loving fern thrives in USDA zones 5-8, favoring well-drained, humus-rich soil; but avoid waterlogged
Photographs by 4 contributors

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