Grandiflora
Family
Dryopteridaceae
Botanical Name
Polystichum tsussimense
Plant Common Name
Korean Rockfern
General Description
Korean rock fern is a small, semievergreen terrestrial fern native to eastern Asia. Often grown as a greenhouse plant but hardy to USDA zone 6, it produces a neat clump of leathery, shiny, dark green, narrowly triangular fronds with dark stems.
Korean rock fern likes shade and rich, well-drained soil. Established plants can take some dryness. It works well in a cool greenhouse or shaded rock garden.
Characteristics
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AHS Heat Zone
9 - 5
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USDA Hardiness Zone
6 - 9
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Sunset Zone
4, 5, 6, 7, 14, 15, 16, 17
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Plant Type
Fern
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Sun Exposure
Partial Sun, Partial Shade, Full Shade
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Height
8"-18" / 20.3cm - 45.7cm
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Width
12"-18" / 30.5cm - 45.7cm
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Native To
Eastern Asia
Growing Conditions
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Soil pH
Acidic, Neutral
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Soil Drainage
Well Drained
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Soil type
Loam
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Growth Rate
Medium
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Habit
Upright/Erect
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Seasonal Interest
Spring, Summer, Fall
Ornamental Features
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Flower Interest
None
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Foliage Color (Spring)
Dark Green
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Foliage Color (Summer)
Dark Green
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Foliage Color (Fall)
Dark Green
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Foliage Color (Winter)
Dark Green
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Fragrant Flowers
No
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Fragrant Fruit
No
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Fragrant Foliage
No
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Bark or Stem Fragrant
No
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Repeat Bloomer
No
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Showy Fruit
No
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Edible Fruit
No
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Showy Foliage
No
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Foliage Texture
Fine
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Foliage Sheen
Glossy
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Evergreen
Semi-Evergreen
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Showy Bark
No
Special Characteristics
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Usage
Container, Edging, Houseplant, Mixed Border, Rock Garden / Wall
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Sharp or Has Thorns
No
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Invasive
No
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Self-Sowing
No
