Overview
Dioscorea alta is a climbing climber wall shrub in the genus Dioscorea, part of the Dioscoreaceae family, with deciduous foliage. Dioscorea alta grows best in full sun and partial shade, and tolerates loam and sand soils and any pH. Its UK hardiness is rated H1c. Suggested uses include patio and container plants, wildlife gardens and wall side borders.
About
Dioscorea alta is a deciduous climbing perennial belonging to the Dioscorea genus, which is known for its tuberous roots and twining habit. This cultivar thrives in well-drained loam or sandy soils with a range of pH levels, from acid to alkaline. It prefers full sun or partial shade in sheltered, south- or east-facing locations. Suitable for patio containers, wildlife gardens, and wall-side borders, Dioscorea alta can be propagated by seed or softwood cuttings and is hardy to UK zone H1c. It is particularly notable for its interest during the winter season.
Growing conditions
Best soil and position for Dioscorea
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H1c
Plant details
Dioscorea alta size, habit and characteristics
- Plant type
- Climber Wall Shrub
- Habit
- Climbing
- Foliage
- Deciduous
- Suggested uses
- Patio and container plants, Wildlife gardens, Wall side borders
Care notes
Pruning and caring for Dioscorea alta
- Propagation
- Seed, Softwood cuttings
- Pest resistance
- Aphids, Froghoppers
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Dioscorea alta?
Dioscorea alta prefers full sun and partial shade. It suits sheltered positions.
What soil does Dioscorea alta need?
Dioscorea alta grows best in loam and sand soil. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Dioscorea alta hardy in the UK?
Dioscorea alta has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.
How do I propagate Dioscorea alta?
Seed, Softwood cuttings.
