Ipomoea batatas Suntory Black Tone ('Kyuikukan 1'PBR)
sweet potato [Suntory Black Tone]
A compact, short-lived perennial often grown as an annual for its ornamental foliage. Trailing stems bear heart-shaped, dark olive green leaves that are strongly flushed with dark purple, appearing almost black
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Purple Black | |||
|---|---|---|---|---|
| Summer | Green Purple Black | |||
| Autumn | Green Purple Black | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H1CBotanical details
- Family
- Convolvulaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Trailing
- Genus
Ipomoea can be annuals or perennials, often twining, or evergreen shrubs, with simple, lobed or dissected leaves and tubular or funnel-shaped flowers which may be solitary or borne in racemes or panicles
- Name status
Trade
How to grow
Cultivation
Thrives in well-drained, sandy loam in full sun, minimum temperature 7-10°C
Propagation
Propagate by softwood cuttings in late spring or early summer. As this plant is protected by Plant Breeders' Rights, any propagation should be for personal rather than commercial use
Suggested planting locations and garden types
- hanging basket
- Patio and container plants
- Bedding
Pruning
No pruning required
Pests
May be susceptible to glasshoouse red spider mite and glasshouse whitefly
Diseases
May be susceptible to fusarium wilt, powdery mildews and virus diseases
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