Calceolaria 'Walter Shrimpton'
slipper flower 'Walter Shrimpton'
A small, deciduous perennial with a rosette of pale green, hairy foliage and unusual, inflated yellow-brown flowers with red or dark purple spots and white bar, appear from summer through until autumn. Ideal as a houseplant or in an alpine house or trough
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Yellow Brown Red Purple | Green | ||
Autumn | Yellow Brown Red Purple | Green | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Calceolariaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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
Accepted
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 frost-free 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
- Houseplants
- Patio and container plants
- Rock garden
- Conservatory and greenhouse
Pruning
Deadhead to prolong flowering
Pests
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.