We're offering you a 24 Begonia 'Giant Mixed' Tubers for £19.99, saving you up to 20% off Thompson and Morgan's's price of £24.99 (correct as of 27.01.2026).

Transform Your Garden with Begonia x tuberhybrida 'Giant Mixed'

Bursting with oversized, extravagant blooms in a vibrant spectrum of colours, Begonia x tuberhybrida 'Giant Mixed' brings show-stopping impact to any outdoor space. These tuberous perennials are renowned for their exhibition-quality flowers that thrive in both beds and containers.

• Botanical Name: Begonia x tuberhybrida 'Giant Mixed'
• Mature Height: Compact growth up to 30cm (12 inches)
• Flowering Period: Early summer to late autumn, offering months of continuous colour
• Colour Range: Mixed shades for dazzling garden displays

Why Choose Giant Begonias?

• Dazzling Blooms: Each plant produces large, ruffled flowers that can reach up to 15cm across.
• Reliable Performance: These robust plants flourish in both full sun and partial shade, making them adaptable to most garden settings.
• Versatile Planting: Perfect for containers, hanging baskets, window boxes, or garden beds.
• Extended Colour: Their long flowering season keeps your garden looking lively from June right through to the first frosts.

Planting & Care Guide

• When to Plant: Start tubers indoors from February–April or plant directly outside after the last frost.
• Soil Requirements: Prefers well-drained, fertile soil; thrives in neutral to slightly acidic conditions (pH 6.0–7.0).
• Light Needs: Grows well in partial shade but tolerates full sun if kept moist.
• Watering: Keep soil consistently moist but not waterlogged; avoid wetting foliage.
• Feeding: Apply a balanced liquid fertiliser every two weeks during the growing season.
• Tender Perennial: Not frost hardy—lift tubers before winter and store in a cool, dry place for replanting next year.

Garden Design Tips & Companions

• Create bold displays by pairing with fuchsias or trailing lobelia in containers.
• Add structure with hostas or ferns as shade-loving companions.
• Makes a striking statement along pathways or as a patio centrepiece.

FAQs

• When is the best time to plant begonia tubers?
  The ideal time is February–April indoors or after the last frost outdoors.
• How tall do these begonias grow?
  Begonia 'Giant Mixed' typically reaches about 30cm (12 inches) in height.
• Can I leave the tubers in the ground over winter?
  No—lift and store tubers before the first frost as they are not frost hardy.