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BeddingConservatory GreenhouseAlpine RockerySynonym

Calceolaria pendula

scalloped-flower slipper flower

A species of tender, deciduous, herbaceous perennial, grown as a half-hardy annual in milder climates, with dark green wrinkled and veined foliage, and unusual, inflated yellow flowers freckled with orange-brown. These appear in clusters above the foliage from spring through to the autumn. Generally best suited to rock gardens in milder climates or in a heated greenhouse in cooler conditions

Synonyms
Calceolaria polyrrhiza hort.
Calceolaria pendula

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Orange Brown Green
Autumn Yellow Orange Brown Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Calceolariaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Calceolaria can be annuals, biennials, perennials or shrubs, with opposite leaves or basal rosettes, and solitary or clustered, slipper-like yellow, red or purple flowers

Name status

Correct

Plant range
Chile

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How to grow

Cultivation

Outdoors, grow in light, moderately fertile, acidic soil in sun or partial shade. Flowering is best in cool, moist conditions. Water freely and apply a balanced liquid fertiliser every 2 weeks. To overwinter plants, lift them before the first frosts and put them in pots in a heated greenhouse

Propagation

Propagate by seed sown under glass in early spring

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • hanging basket
  • Houseplants
  • Patio and container plants
  • Rock garden
  • Bedding
  • Conservatory and greenhouse
  • Flower borders and beds
  • Garden edging
Pruning

Deadhead to prolong flowering

Pests

May be susceptible to slugs, snails and aphids

Diseases

May be susceptible to grey moulds

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