Not the plant you're looking for? Search over 300,000 plants
Herbaceous Perennial

Cypripedium formosanum

Formosan lady's slipper orchid

A small, hardy orchid reaching a height of around 10cm. Two apical, ovate to round plicate leaves are produced which have veins that radiate outwards likea fan. The long, slender stem produces a whitish flower with flecks of light to dark pink in the spring.

Synonyms
Cypripedium japonicum var. formosanum
Buy this plant
Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring
Summer
Autumn
Winter Pink Red White Green
Position
  • Partial shade
Aspect

East–facing or North–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Orchidaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus

Cypripedium are terrestrial orchids with slender rhizomes and soft fan-shaped leaves, spirally arranged or in opposite pairs. Flowers are born in racemes of up to 12 flowers during summer have white, pink, red or purple tepals and a yellow, white, pink or purple pouch

Name status

Correct

Plant range
C Taiwan

How to grow

Cultivation

Grow in moist, fertile, leafy, humus-rich slightly alkaline soil in a sheltered site with dappled or partial shade - ideally with some morning sunshine. Provide an annual winter mulch of leaf mould

Propagation

Propagate by division in early or mid-spring and replant immediately. Some of the soil from the root ball, which contains beneficial fungi, should be planted with each division

Suggested planting locations and garden types
  • City and courtyard gardens
  • Underplanting of roses and shrubs
  • Flower borders and beds
Pruning

No pruning required, allow foliage to die down naturally

Pests

May be susceptible to slugs

Diseases

May be susceptible to grey moulds

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.