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BeddingHerbaceous Perennial

Calceolaria integrifolia 'Sunshine'

slipperwort 'Sunshine'

An erect, bushy sub-shrub to 25cm, usually grown as an annual, with narrow grey-green leaves and cymes of deep yellow flowers 2.5cm in length in mid-summer

Synonyms

Calceolaria rugosa 'Sunshine'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Clay

Loam

Sand

Moisture

Moist but well–drained, Poorly–drained

pH

Acid

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

West–facing or East–facing or South–facing

Exposure

Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Calceolariaceae
Native to GB / Ireland: No
Foliage: Evergreen
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: Accepted

How to grow

Cultivation

Grow as summer bedding or container plant, flowers best in cool, moist conditions, likes acid soil or compost in sun or partial shade

Propagation

Propagate by seed or softwood cuttings taken in late summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Flower borders and beds

Pruning

Deadhead regularly

Pests

May be damaged by slugs and snails

Diseases

May suffer from grey moulds

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