Cypripedium calceolus × macranthos

Alpine Rockery Herbaceous Perennial

A hardy, terrestrial orchid with soft, folded bright green leaves and purple-brown-yellow flowers with twisted petals on upright stems, appearing in late spring to early summer

Position

Partial shade

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0-0.1 metre

Size

Time to Maturity
2–5 years
Max Spread
0-0.1 metre
Max Height
0.1-0.5 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Partial shade
Aspect
North–facing or West–facing or East–facing
Exposure
Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Skin allergen. Wear gloves and other protective equipment when handling
Genus
Name Status

How to Grow

Cultivation

Grow in moist, fertile, leafy, humus-rich slightly alkaline soil in a sheltered site with dappled or partial shade. Provide an annual winter mulch of leaf mould. Suits a shady rock garden or woodland garden

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

  • Cottage and informal garden
  • Wildlife gardens
  • Rock garden
  • Wall side borders

Pruning

No pruning required, allow foliage to die down naturally

Pests

May be susceptible to slugs and orchid scale insect

Diseases

May be susceptible to grey moulds