Overview
Clematis 'John Gudmundsson' (EL) is a climbing climber wall shrub in the genus Clematis, part of the Ranunculaceae family, with deciduous foliage. Clematis 'John Gudmundsson' (EL) grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include climbers, walls, fences, obelisks, pergolas, trees, containers and mixed borders.
About
Clematis 'John Gudmundsson' is a deciduous climbing cultivar within the Clematis genus, known for its twining leaf stalks that support its growth. It thrives in full sun or partial shade and is suitable for a variety of garden aspects and exposures, including north-facing and sheltered locations. This cultivar prefers moist but well-drained soil of various types and pH levels, including chalk, clay, loam, and sand. Hardy to UK zone H5, it is ideal for training on structures such as walls, fences, pergolas, and obelisks, providing interest in spring and summer.
Growing conditions
Best soil and position for Clematis
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- North-facing, South-facing, East-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
Clematis 'John Gudmundsson' (EL) size, habit and characteristics
- Plant type
- Climber Wall Shrub
- Habit
- Climbing
- Foliage
- Deciduous
- Suggested uses
- Climbers, Walls, Fences, Obelisks, Pergolas, Trees, Containers, Mixed borders
Care notes
Pruning and caring for Clematis 'John Gudmundsson' (EL)
- Propagation
- Cuttings, Layering, Seed
- Pest resistance
- Aphids, Capsid bugs, Caterpillars, Earwigs
- Disease resistance
- Powdery mildew, Clematis wilt
Frequently asked questions
Where is the best place to plant Clematis 'John Gudmundsson' (EL)?
Clematis 'John Gudmundsson' (EL) prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Clematis 'John Gudmundsson' (EL) need?
Clematis 'John Gudmundsson' (EL) is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained.
Is Clematis 'John Gudmundsson' (EL) hardy in the UK?
Clematis 'John Gudmundsson' (EL) has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Clematis 'John Gudmundsson' (EL)?
Cuttings, Layering, Seed.
More in the Clematis genus
- Clematis 'Albiflora' (A)
- Clematis 'Amanda Marie' (Vt)
- Clematis 'Andante' (I)
- Clematis 'Anna' (EL)
- Clematis 'Annette's Seedling'
- Clematis 'Apricot Star' (M)
- Clematis 'Basilisk'
- Clematis 'Betty Risdon' (EL)