Clematis cirrhosa 'Wisley Cream' (C) | clematis 'Wisley Cream'

R.J. Evison

Climber Wall Shrub

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A large evergreen climber to about 4m in height, with rounded-toothed, leathery dark green leaves composed of 1-3 leaflets, which are bronze tinted in winter, and nodding single, pale creamy-white flowers to 8cm across, in late autumn, winter and early spring followed by silky seedheads

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 2.5-4 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: 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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ranunculaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Climbing
Potentially harmful: Skin irritant. Wear gloves and other protective equipment when handling. Pets (rabbits): Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Clematis can be deciduous or evergreen shrubs or herbaceous perennials, mostly climbing by twining leaf-stalks, and often with showy flowers. Some have attractive fluffy seedheads in autumn
Name Status: Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea: Cirrhosa Group clematis are evergreen woody climbers with bell to bowl-shaped single flowers, produced from late autumn to early spring on the previous year's growth

How to Grow

Cultivation

A cultivar for a warm, sheltered position, it thrives in any fertile, well-drained soil and plant with the crown at soil level. Keep the base shaded and cool by the careful positioning of plants. In cold areas, grow in a container and overwinter in a greenhouse or conservatory. See clematis cultivation for further information

Propagation

Propagate by softwood cuttings in spring, semi-ripe cuttings in early summer or propagate by layering in late winter or early spring

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Mediterranean climate plants
Patio and container plants
Wildlife gardens
Climber and wall shrubs
Wall side borders

Pruning

Pruning (Clematis) Group 1

Pests

May be susceptible to aphids, snails and caterpillars; petals may be eaten by earwigs

Diseases

May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux