Overview
Allamanda cathartica 'Silver Dwarf' is a climbing conservatory greenhouse in the genus Allamanda, part of the Apocynaceae family, with evergreen foliage. Allamanda cathartica 'Silver Dwarf' grows best in full sun, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H1b. Suggested uses include patio and container plants, sub-tropical and wall side borders.
About
Allamanda cathartica 'Silver Dwarf' is a climbing evergreen shrub cultivar of the Allamanda genus, known for their large trumpet-shaped flowers and simple leaves often arranged in whorls. Suited to conservatories or greenhouses, it thrives in full sun with a sheltered aspect, preferring fertile, well-drained loam or sandy soil that is moist and acid to neutral in pH. This cultivar is hardy to UK zone H1b and is typically grown as a patio or container plant, or in sub-tropical wall-side borders. It flowers in spring and summer and can be propagated by seed or greenwood cuttings.
Growing conditions
Best soil and position for Allamanda
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H1b
Plant details
Allamanda cathartica 'Silver Dwarf' size, habit and characteristics
- Plant type
- Conservatory Greenhouse
- Habit
- Climbing
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants, Sub-tropical, Wall side borders
Care notes
Pruning and caring for Allamanda cathartica 'Silver Dwarf'
- Propagation
- Seed, greenwood cuttings
- Pest resistance
- Glasshouse red spider mite, glasshouse whitefly
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Allamanda cathartica 'Silver Dwarf'?
Allamanda cathartica 'Silver Dwarf' prefers full sun. It suits sheltered positions.
What soil does Allamanda cathartica 'Silver Dwarf' need?
Allamanda cathartica 'Silver Dwarf' grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
Is Allamanda cathartica 'Silver Dwarf' hardy in the UK?
Allamanda cathartica 'Silver Dwarf' has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Allamanda cathartica 'Silver Dwarf'?
Seed, greenwood cuttings.
