Gymnocarpium robertianum (Limestone Oak Fern, Scented Oak Fern)


Botanical Information

FamilyCystopteridaceae
GenusGymnocarpium
Speciesrobertianum
CategoryPerennials
TypeFerns

Details

USDA Hardiness Zone2
USDA Hardiness Ref.
Canadian Hardiness Zone3
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-15 - (-10)
Temperature (°F)5 - 14
Height30 cm
Spread1 m

Description and Growing Information

ShapeSpreading.
LandscapeBorder planting, groundcover and woodland gardens.
PropagationSpores and division.
CultivationFull shade. Moist and well-drained soils.
Notable SpecimensThe University of Alberta Botanic Garden, Devon, Alberta, Canada.
HabitatRocky woods and swamps.
Leaf DescriptionSmall, triangular, 2 - 3 pinnate fronds that are 10 - 50 cm long. Borne from long, slender, sub-surface stems on long, glandular-hairy leafstalks.
Flower DescriptionNon-flowering but producing spores.
Colour DescriptionThe leaves are bright green.

Photographs