Ipomoea batatas Solar Power Black ('Balsolablack')

RHS Plant Profile
sweet potato [Solar Power Black]

Synonyms

Ipomoea batatas 'Balsolablack'

Annual Biennial

Twining climber usually grown as an annual foliage plant to 30cm tall, with a compact, mounded and trailing habit, densely branched with tapering, 5-lobed, dark-purple leaves

Position

Full sun

Soil Types

Loam

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
1–2 years
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam
Moisture
Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
H1C
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Convolvulaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Trailing, Bushy
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

Grow outdoors in the summer months in well-drained soil in full sun with shelter; overwinter or grow in containers under glass in peat-free, John Innes No.2 compost in full light with shade from hot sun, watering freely in growth and use a general fertiliser monthly; water sparingly in winter

Propagation

Propagate by softwood cuttings in spring or summer, or by semi-ripe cuttings in summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Bedding
  • Conservatory and greenhouse
  • Flower borders and beds

Pruning

Pinch out tips to keep the plant bushy and compact

Pests

May be susceptible to glasshouse whitefly and glasshouse red spider mite if grown in a conservatory or greenhouse

Diseases

May be susceptible to a virus and powdery mildews