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Frankston spider orchid

Caladenia robinsonii

Frankston spider orchid is a rare, deciduous ground orchid from a tuber, native only to the Mornington Peninsula in Victoria, Australia. It is a wild species with very few known plants, so it should be left in the wild or grown only from ethically sourced material.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Part shade
Water
Water sparingly during the autumn to spring growing season and keep nearly dry while dormant in summer.
Soil
Free-draining, sandy, lightly acidic soil.
Temperature
Cool to mild temperate conditions; tolerates cold winters but not prolonged heat.
How easy
Hard
Native range
Victoria
Climate
subtropical

About

Caladenia robinsonii, commonly known as the Frankston spider orchid, is a plant in the orchid family Orchidaceae and is endemic to Victoria. It is a ground orchid with a single hairy leaf and one or two red and creamy-yellow flowers with dark red glandular tips on the sepals. In 2010 only about forty specimens of this plant, growing in a single population were known.

Where it grows

The Frankston spider orchid occurs in heathy coast manna gum woodland, on the Mornington Peninsula.

Other Caladenia plants

Coastal spider orchid · Canberra spider orchid · Caladenia ×aestantha · Summer spider orchid · Fairy orchid · Stegostyla Alpina · Boranup spider orchid · Bundarra spider orchid · Charming spider orchid · Dainty spider orchid · Dainty blue china orchid · Genoa spider orchid

Text excerpted from the Wikipedia article Caladenia robinsonii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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