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Platycerium bifurcatum - Elkhorn Fern - 1000 Spores

Platycerium bifurcatum - Elkhorn Fern - 1000 Spores


Platycerium bifurcatum, commonly known as the Elkhorn fern, occurs naturally in New Guinea, and along the coasts of Queensland and New South Wales and is cultivated in many countries, it has become naturalised (that is, it has spread into the wild) in Florida.  

It belongs in the family Polypodiaceae, which has 10 genera and 26 species in Australia.

The Elkhorn Fern is an Epiphyte, growing on the trunks and branches of trees, each plant is composed of a mass of plantlets.  A plantlet consists of a nest leaf 12 - 30cm wide, lying against the bark of the host tree, the nest leaves of neighbouring plantlets overlap one another.  These nest leaves become brown and papery with age, and do not produce spores (they are sterile).  Fertile fronds 25 - 90 cm long protrude from each plantlet and each frond divides into two segments a number of times along its length.

Spores are produced on the underside of the end segments of each frond, the spore producing areas are coloured tan brown, and have the texture of velvet cloth.

The easiest way to propagate Platycerium bifurcatum is to remove a plantlet and then tie it to the desired new location.  A large old knife, or a thin flat trowel, may be used to remove a plantlet from the rest of the plant.  The implement should be inserted beneath the membrane of a plantlet and then used to split the roots of the plantlet from the other plantlets, the plantlet may then be tied to its new location with lengths of cloth or stocking.  If the new plant is required to be of a large size, then a number of plantlets can be removed together from one large Platycerium bifurcatum plant.

Platycerium bifurcatum may also be propagated from its spores.  To collect the spores, place the part of a frond that is producing spores in a brown paper bag.  Leave the frond in the bag until there is brown dust in the bag, which are the spores.  Fill a plastic or terracotta pot with peat moss, and pour boiling water through the peat moss to sterilize it. Immediately place a glass or plastic sheet over the pot to keep it sterile.  Once the peat moss has cooled down, spread the spores evenly over the surface of the peat moss, then immediately replace the glass or plastic sheet over the pot.  Stand the bottom of the pot in an ice cream container with a shallow layer of water, and place the pot and container in a warm position receiving indirect sunlight.  Once the spores have germinated, a green scum will initially appear over the surface of the peat moss.  After a period of weeks to months, the fronds of the Elkhorn fern will begin to appear and the glass cover of the pot can be removed.  Once the new plants have grown larger, they can be transferred to a tree trunk.

Platycerium bifurcatum plants require a shady area to grow in, and need to be kept moist.  They are not prone to attack from many pests and insects, but may be preyed upon by scale bugs and mealy bugs.  These pests may be removed from the plant by scratching them off.  Ladybirds will eat these pests, and so may help to control them.

This listing is for lots of 1000 spores shipped on receipt of cleared funds.

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