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Begonia Large-flowered Double Group (T/d)

begonia Large-flowered Double Group

A group of tuberous, floriferous perennials, grown as summer bedding, and prized for their large (15cm across) double flowers in shades of red, pink, orange, yellow and white, with ruffled petals

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Pink Red White Green
Autumn Orange Pink Red White Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or North–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H1B
Botanical details
Family
Begoniaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling
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
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

In spring, plant tubers, hollow side uppermost in free-draining compost at 16-18°C. Plant out after the last frosts in fertile, humus-rich, moist but well-drained soil in partial shade. Lift the tubers in autumn before the first frosts and dry off. See begonias: outdoors for further information

Propagation

Propagate by seed, basal cuttings, or stem cuttings of sideshoots

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
Pruning

No pruning required

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

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.