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Perennials, Ferns > Gymnocarpium > Gymnocarpium dryopteris > Gymnocarpium dryopteris

Gymnocarpium dryopteris


Oak Fern




Origin:  Native to the temperate northern hemisphere.
Family
Woodsiaceae
Genus
Gymnocarpium
Species
dryopteris
Category
Perennials, Ferns
USDA Hardiness Zone
7b - 8a
Canadian Hardiness Zone
7
RHS Hardiness Zone
H5
Temperature (°C)
- 15 - (-10)
Temperature (°F)
5 - 14
Height
30 cm
Spread
1 m
Photographs
Description and Growing Information
Flowering Period
Landscape
Border planting, groundcover and informal gardens.
Cultivation
Full shade. Moist and well-drained soils with a pH of acidic and neutral. Prefers sand and loam.
Shape
Mat-forming and spreading.
Growth
Medium
Habitat
Forests, rocky slopes and thickets.
Leaf Description
Divided and triangular to ovate fronds. 2 - 3 pinnate fronds that are 10 - 20 cm long and wide.
Flower Description
Non-flowering but producing spores.
Colour Description
The leaves are bright green.
Notable Specimens
RHS Garden Rosemoor, North Devon, England. The University of Alberta Botanic Garden, Devon, Alberta, Canada.
Propagation
Spores and division.
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