About
Clematis 'Helsingborg' is a medium-sized deciduous vine featuring slender, serrated leaflets. In mid to late spring, it produces flowers characterized by four elongated, deep violet-blue sepals, each reaching up to 5 cm long, encircling pale purple staminodes and 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
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, North-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Climber Wall Shrub
- Habit
- Climbing
- Foliage
- Deciduous
- Height
- 1.5-2.5 metres
- Spread
- 1-1.5 metres
- Time to full height
- 2-5 years
- 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 (18in) deep and wide in a peat-free, loam-based potting compost. See clematis cultivation for more advice
- Pruning
- Clematis pruning: group one
- Propagation
- Propagate by layering or semi-hardwood cuttings
- 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