Begonia 'Flamboyant' (T)

RHS Plant Profile
begonia 'Flamboyant'

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Conservatory Greenhouse Bedding

A showy, upright, but bushy perennial with winter-dormant tubers. Reaches a height of 17cm, with heart-shaped mid-green leaves and bears single, deep red flowers all summer

Position

Partial shade

Soil Types

Sand, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Sand Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Partial shade
Aspect
West–facing or North–facing or East–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H1C

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Begoniaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy, Clump forming
Potentially harmful
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
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
Name Status
Accepted
Horticultural Group

Horticultural Classification Codes

Horticultural Classification Codes are often given to genera which have a large number of species or cultivars. They are used to categorise cultivated plants based on specific, shared characteristics such as shape, colour, size or flowering time, and can be displayed as letters or numbers

For example:
Dahlia ‘Sunset Kate (Sin) = Single flower
Rosa ‘Marigold’ (HT) = Hybrid Tea

Tuberhybrida begonias are bushy tuberous perennials with glossy leaves and usually double flowers in small clusters in summer; most are dormant in winter

How to Grow

Cultivation

Grow in baskets and containers of peat-free multipurpose compost. Plant in borders, in neutral to acidic soil that has been enriched with organic matter. Prefers part shade, or bright shade. Overwinter in frost-free conditions. See Begonias: outdoors for further advice

Propagation

Propagate by seed in early spring in 21°C or propagate by softwood cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Sub-tropical
  • Bedding
  • Conservatory and greenhouse
  • Garden edging
  • Wall side borders

Pruning

Cut back all foliage back to soil level as it dies back in autumn

Pests

May be susceptible to caterpillars, mealy bugs, mites, glasshouse thrips, vine weevil and aphids

Diseases

May be susceptible to grey moulds, powdery mildews, stem rot and rhizome rot