About

Clematis 'Diamond Anniversary' is a deciduous vine that reaches a height of approximately 2 meters. It features nodding, bell-shaped blooms, each consisting of four large and four smaller petals. The flowers are predominantly white, adorned with a pink blush on the outer petals, and appear from mid to late spring.

About the genus

Clematis includes a variety of plants, ranging from deciduous and evergreen shrubs to herbaceous perennials. Many of these species are climbers, utilizing twining leaf stalks for support, and they frequently produce prominent flowers. In the fall, certain varieties develop appealing fluffy seed heads.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
West-facing, East-facing, South-facing, North-facing
Exposure
Sheltered
UK hardiness
H6

Plant details

Plant type
Climber Wall Shrub
Habit
Climbing
Foliage
Deciduous
Height
1.5-2.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
City and courtyard gardens, Cottage and informal garden, Patio and container plants
Toxicity
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

Care notes

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 peat-free, loam-based potting compost. See also clematis cultivation
Pruning
Clematis pruning: group one
Propagation
Propagate by softwood cuttings in spring, semi-ripe cuttings in summer or by layering in late winter or early spring
Pest resistance
May be susceptible to aphids, snails and caterpillars; petals may be eaten by earwigs
Disease resistance
May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux