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Conservatory GreenhouseAlpine Rockery

Calypso bulbosa

bog orchid

A small, terrestrial orchid with one broad, oval leaf 12cm long. In summer, a slender, upright stem bears a solitary, nodding, fragrant flower 2.5cm across with reddish-purple upper petals and white lips.

Other common names
Calypso orchid
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple Red White Yellow Green
Autumn Green
Winter
Position
  • Partial shade
Aspect

West–facing or East–facing

Exposure
Sheltered
Hardiness
H6
Botanical details
Family
Orchidaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Name status

Correct

Plant range
N Eurasia, N Am.

How to grow

Cultivation

Grow in a cold greenhouse, or alpine house, in terrestrial orchid compost with added leaf mould and charcoal, in filtered light.

Propagation

Propagate by carefully separating corms in early spring

Suggested planting locations and garden types
  • Patio and container plants
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

Get involved

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