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Begonia metallica AGM

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© RHS

Characteristics

Plant type

Houseplant or Conservatory/Greenhouse

Habit

Bushy

Resilience

Hardiness

H1b (heated greenhouse - subtropical)

Colour

Flower

Pink in Autumn

Foliage

Red and Dark Green 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

metal-leaf begonia

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

B. metallica is a bushy evergreen perennial to 1m in height, with large ovate lobed dark metallic-green leaves, red on veins and lower surface. Small hairy pale pink flowers

Other common names

  • metallic-leaf begonia

Synonym(s)

  • Begonia incarnata 'Metallica'

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 bright filtered light with shade from hot sun at a minimum of 17 °C. Water moderately when in growth and apply a balanced liquid fertiliser at alternative waterings. To encourage compact growth, pinch out the growing tips twice during the growing season

Soil

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

Propagation

Propagate by seed, leaf cuttings or softwood cuttings

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

No pruning required

Pests

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

Diseases

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