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Thunbergia mysorensis AGM

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© RHS 2003

Characteristics

Plant type

Climber/Wall Shrub or Conservatory/Greenhouse

Habit

Climbing

Resilience

Hardiness

H1a (heated greenhouse - tropical)

Colour

Flower

Yellow and Dark Red in Spring

Foliage

Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

4-8 metres

Ultimate spread

1.5-2.5 metres

Time to ultimate height

5-10 years


Preferred common name

Mysore clock vine

Family

Acanthaceae


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

T. mysorensis is a vigorous evergreen climber with twining stems to 6m, with elliptic leaves and 2-lipped flowers 5cm in length, with a gaping yellow throat and reflexed dark red lobes

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

Grow under glass in a loam-based potting compost in bright filtered light with shade from hot sun. When in growth water moderately and apply a balanced liquid fertilizer monthly. Water sparingly at other times

Soil

  • Moist but well-drained
  • Acid, Neutral or Alkaline
  • Loam

Propagation

Propagate by seed or softwood cuttings

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pests

May be attacked by glasshouse whitefly, glasshouse red spider mite, aphids and scale insects when grown under glass

Diseases

Generally disease free