Clematis terniflora 'Early Snow' (F) | sweet autumn clematis 'Early Snow'

RHS

Climber Wall Shrub

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A vigorous, semi-evergreen or deciduous climber about 4m tall, with long-stalked, dark, glossy green leaves. Panicles of fragrant, star-shaped white flowers appear on the current years growth from September until the first frosts, followed by attractive seedheads; profuse flowering only occurs after a hot summer. Great for covering walls, fences or pergolas and will tolerate some shade

Position

Full shade, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

2.5-4 metres

Size

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

Growing Conditions

Chalk Clay Loam Sand

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

Position

Full shade Partial shade

Aspect: East–facing or South–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): H6

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Ranunculaceae
Native to GB/Ireland: No
Foliage: Deciduous, Semi 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: Flammula Group clematis can be vigorous deciduous climbers or herbaceous perennials; the small star-shaped flowers open in summer and autumn, and are usually fragrant, followed by silky seed heads

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. See clematis cultivation

Propagation

Propagate by layering or semi-hardwood cuttings

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Climber and wall shrubs
Flower borders and beds
Wall side borders

Pruning

Pruning (clematis) group 3

Pests

May be susceptible to aphids, slugs, snails or caterpillars on young shoots

Diseases

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