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Primrose spider orchid

Caladenia xantha

Primrose spider orchid
Photo: Em Lamond, CC BY 3.0

Primrose spider orchid is a small terrestrial orchid from south-west Western Australia, grown from an underground tuber and producing up to three yellow flowers in winter and spring. It needs well-drained soil and a dry summer dormancy, so it is grown mainly by native plant enthusiasts and is rarely cultivated.

Family
Orchidaceae (Orchid family)
Grows as
Orchid
Light
Full sun, Part shade
Water
Water sparingly while in leaf in winter and spring, then keep dry during summer dormancy to avoid rotting the tuber.
Soil
Free-draining sandy or gritty mix, similar to native orchid potting mixes.
Temperature
10-25 °C; tolerates cool winters but protect from hard frost.
How easy
Hard
Native range
SW. Australia
Climate
subtropical

About

Caladenia xantha, commonly known as the primrose spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single erect, hairy leaf and up to three yellow flowers with a cream-coloured, brown-striped labellum.

Where it grows

The primrose spider orchid is mostly found between the Mogumber Nature Reserve and Kendenup in the Avon Wheatbelt, Jarrah Forest and Swan Coastal Plain biogeographic regions where it grows in well-drained soil under wandoo and sheoak trees.

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 xantha 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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