Platycerium superbum (Staghorn, Staghorn Fern)


Botanical Information

FamilyPolypodiaceae
GenusPlatycerium
Speciessuperbum
SynonymsAlcicornium superbum
CategoryPerennials, Tropicals, Ferns
OriginAustralia.

Details

USDA Hardiness Zone9b - 11
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1c - H3
RHS Hardiness Ref.
Temperature (°C)-5 - 10
Temperature (°F)23 - 50
Height1.8 - 2.4 m
Spread2.4 - 3 m
GrowthFast

Description and Growing Information

General DescriptionEvergreen fern that is found attached to trees in the wild, and grown for the foliage.
ID CharacteristicFronds angle upwards, like the antlers of a stag.
PropagationFrom spores.
CultivationBest grown in partial to full shade, with neutral to slightly acidic, well-drained soil. Water regularly, do not overwater and do not allow soil to dry out. Sometimes found growing attached to trees.
PestsBeetles and moth larvae. Leaves will become damaged if allowed to dry out.
Notable SpecimensCentennial Conservatory, Thunder Bay, Ontario, Canada.
Bark/Stem DescriptionShort rhizomes, usually obscured by fronds.
Leaf DescriptionThere are two types of fronds on the plant - sterile and fertile. Sterile fronds areĀ broad, adpressed to substrate, based round to kidney-shaped, persistent, 120 to 150 cm long and 90 to 135 cm wide. Fertile fronds are drooping, usually growing in pairs of equal sizes up to 1 m long, narrowly wedge-shaped and tick at bases, broadening upward. Major veins are evident.
Flower DescriptionNon-flowering.
Colour DescriptionFronds are green, with the sterile fronds turning brown over time.
Texture DescriptionFronds are covered with soft, stellate hairs when young.

Photographs