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Climber Wall Shrub

Clematis 'Valge Daam' (LL)

clematis 'Valge Daam'

A deciduous, perennial, late-flowering climber to 2m in height with dark green leaves. Large, star-like white flowers with red to beige anthers are borne from early summer to early autumn

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Ultimate height

1.5–2.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Chalk

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–facing or East–facing or West–facing

Exposure

Exposed or 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: Ranunculaceae
Native to the UK: No
Foliage: Deciduous
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: Late Large-flowered clematis are deciduous climbers with large, star-shaped flowers to 15cm wide, opening on the current year's growth in summer and autumn

How to grow

Cultivation

Plant in a moisture-retentive, well-drained soil, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. Plant with the crown 5-8cm deep to encourage new shoots to grow from below ground level. Can be grown in containers at least 45cm deep and wide in a soil-based potting compost. See also clematis cultivation

Propagation

Take semi-ripe cuttings in early summer or propagate by layering

Suggested planting locations and garden types

City and courtyard gardens
Patio and container plants
Cottage and informal garden
Low Maintenance
Flower borders and beds
Wall side borders
Hedging and screens

Pruning

Pruning (clematis) group 3. Cut back last year's stems to a pair of strong buds 20 cm above soil level before new growth begins in early spring

Pests

May be susceptible to aphid, slug and snail damage on young growth

Diseases

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

Get involved

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