Thunbergia alata Sunny Susy Rose Sensation (Sunny Susy Series)
black-eyed Susan [Sunny Susy Rose Sensation]
A fast-growing, tender perennial climber, often grown as an annual, reaching up to 2m high, with heart-shaped, slightly hairy green leaves. Bright pink flowers with a darker centres are produced from mid to late summer
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Size
Ultimate height
1.5–2.5 metresTime to ultimate height
1 yearUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H2Botanical details
- Family
- Acanthaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Climbing
- Genus
Thunbergia can be annuals or perennials, often twining climbers, with simple opposite leaves and trumpet-shaped or salver-shaped flowers borne singly in leaf axils, or in racemes, in summer
- Name status
Trade
How to grow
Cultivation
Thrives in fertile, moist but well-drained soil, in full light with shade from hot sun. Provide support for climbing stems. Plants are not frost tolerant; overwinter in a conservatory or greenhouse
Propagation
Propagate by seed sown at 16-18°C (61-64°F) in spring, by softwood cuttings in early summer, or by layering
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Climber and wall shrubs
- Conservatory and greenhouse
- Flower borders and beds
- Wall side borders
Pruning
Minimal pruning required, see pruning group 11
Pests
May be susceptible to aphids, and to red spider mite and glasshouse whitefly under glass
Diseases
May be susceptible to powdery mildews
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