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Calceolaria 'Goldcrest'

slipper flower 'Goldcrest'

A deciduous perennial with dark green foliage and unusual, inflated bright yellow flowers which appear in clusters above the foliage in early to late summer

Synonyms

Calceolaria (Herbeohybrida Group) 'Goldcrest'
Calceolaria biflora 'Goldcrest'

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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

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–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: 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: Unresolved

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
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

Get involved

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