About
Clerodendrum thomsoniae is an evergreen vine that can reach heights of up to 4 meters. It features twining stems adorned with ovate foliage and produces terminal clusters of flowers that measure approximately 10 centimeters in diameter. The blooms are crimson and set off by prominent white calyces.
About the genus
Clerodendrum encompasses a range of growth forms, including deciduous or evergreen shrubs, trees, and climbing plants. The leaves are typically simple and may emit an undesirable odor. Flowers are borne in panicles and are generally fragrant, characterized by their salver-shaped structure and noticeable stamens. After flowering, these plants produce small berries.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H1B
Plant details
- Plant type
- Climber Wall Shrub, Conservatory Greenhouse
- Habit
- Climbing
- Foliage
- Evergreen
- Height
- 2.5-4 metres
- Spread
- 1-1.5 metres
- Time to full height
- 5-10 years
- Suggested uses
- Patio and container plants
- Native to
- Trop. W Africa
Care notes
- Cultivation
- Grow outdoors in warm, sheltered frost-free area. Grow under glass in peat-free, loam-based potting compost in full light with shade from hot sun and good ventilation in the summer
- Pruning
- Pruning group 11
- Propagation
- Propagate by seed, semi-hardwood and root cuttings
- Pest resistance
- May be susceptible to mealybugs, glasshouse red spider mite and glasshouse whitefly
- Disease resistance
- May be susceptible to honey fungus (rarely)