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Begonia (Superba Group) 'Irene Nuss' (C) AGM

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© RHS 2001

Characteristics

Plant type

Conservatory/Greenhouse or Houseplant

Habit

Bushy

Resilience

Hardiness

H1b (heated greenhouse - subtropical)

Colour

Flower

Pale Pink in Summer

Foliage

Bronze, Green and Red in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

begonia 'Irene Nuss'

Family

Begoniaceae


Begonia can be annuals, evergreen or deciduous perennials or shrubs, with fibrous, tuberous or rhizomatous roots and usually asymmetrical leaves, often strikingly patterned, and small or large flowers, both male and female in the same cluster

Cane-stem begonias are erect, evergreen perennials with fibrous roots and cane-like stems with asymmetrical, strongly toothed leaves, often strikingly marked, and showy flower clusters in spring or summer

'Irene Nuss' is an evergreen perennial to 1.2m in height, with erect stems bearing large leaves, bronze-green above, reddish beneath; pink flowers in pendulous clusters

How to grow

Sunlight

  • Part shade

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

Under glass grow in light, well-drained loam-based or loam-less potting compost in filtered light with shade from hot sun at an optimum of 19 °C. Will not tolerate continuous direct sunlight or waterlogging. Water moderately when in growth and apply a balanced liquid fertiliser at alternative waterings

Soil

  • Well-drained or Moist but well-drained
  • Acid or Neutral
  • Sand, Clay or Loam

Propagation

Propagate by leaf cuttings

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

Cut back over long canes to 2 or 3 buds in late spring

Pests

May be attacked by caterpillars, mealybugs, thrips and vine weevils

Diseases

May be subject to powdery mildews, stem rot and rhizome rot