About

Clematis 'Blue Light' PBR is a vigorous climbing plant that reaches heights of 2 to 2.5 meters. It features green foliage and produces pale violet-blue blooms measuring 11 to 15 centimeters in diameter. In early summer, the flowers appear semi-double, while in late summer and early autumn, they can be either semi-double or single, showcasing six sepals adorned with blue veins. The blooms are complemented by creamy yellow stamens.

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
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, North-facing, West-facing, East-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
Patio and container plants, City and courtyard gardens, Cottage and informal garden
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
Grow in full sun or partial shade in containers (at least 45cm deep and wide) or in the ground, in cool, moisture-retentive, well-drained soil, with the crown 5-8cm deep to encourage new shoots to grow from below ground level; keep the base of the plant and the roots cool and shaded by other plants or a layer of pebbles or flat stones; for more advice, see clematis cultivation
Pruning
Pruning (clematis) group 2
Propagation
Propagate by internodal leaf-bud semi-ripe cuttings taken from spring to late summer, or by layering from late winter to spring; propagation for resale is prohibited without a licence
Pest resistance
May be susceptible to aphids, capsid bug, caterpillars, and glasshouse red spider mite; flowers may be damaged by earwigs; young shoots are vulnerable to slugs and snails; container-grown plants may be susceptible to vine weevil
Disease resistance
May be susceptible to honey fungus (rarely), clematis wilt and clematis slime flux