Arethusa bulbosa is a terrestrial orchid from the genus Arethusa.
The plant blooms from winter to spring with a single 5 cm wide flower. It grows to a height of 15 cm.
This terrestrial and very rare orchid occurs in the temperate regions of North America, mainly in Eastern Canada and Eastern USA. It occurs in bogs, swamps and other lowland humid places.
Plants must be grown in cool conditions with moderately bright light. Pot in a well drain mix such as sphagnum moss or perlite. Plant should be watered regularly with distilled water. Do not fertilize plant.
Common Names: Dragon's mouth
- Arethusa bulbosa f albiflora Rand Ex Redfield 1894
- Arethusa bulbosa f. subcaerulea E.L.Rand & Redfield 1894