We're offering you a 20 Double Flowering Begonia Tubers for £9.99, saving you up to 50% off Thompson and Morgan's's price of £19.99 (correct as of 13.02.2026).

Transform Your Garden with Double Flowering Begonias

Breathe new life into your garden displays with Begonia x tuberhybrida 'Double Flowered Mixed'. This compact, summer-flowering bedding plant delivers a dazzling array of frilly double blooms in rich shades—each tuber bursting with colour from early summer through to the first frosts. With a mature height and spread of just 30cm, these begonias are tailor-made for any space—whether you’re filling window boxes, brightening up patio containers, or adding bold accents to garden beds and borders.

Why Choose These Begonias?

• Striking Visual Appeal: The double-layered petals create an exotic look that stands out in any planting scheme.
• Seasonal Impact: Expect a season-long display from June to September—perfect for summer entertaining and relaxing outdoors.
• Flexible Placement: Their compact size makes them ideal for small gardens, balconies, or urban spaces where every inch counts.
• Effortless Care: These tubers thrive with little attention—simply plant after the last frost and water regularly for best results.

Growing Guide & Care Tips

• Planting Time: Start your tubers indoors from February to April or plant directly outside after the risk of frost has passed.
• Light Requirements: Prefers partial shade but tolerates full sun if kept well-watered.
• Soil: Grows best in moist but well-drained soil; add organic matter to enrich poor soils.
• Caring For Your Begonias: Water consistently through dry spells. Remove faded flowers to encourage more blooms. No pruning required—simply lift tubers before the first frost if you wish to store them for next year.

Design Ideas & Companion Plants

• Bedding Displays: Pair with trailing lobelia or alyssum for cascading colour in containers.
• Cottage Gardens: Mix with fuchsias and impatiens for vibrant summer borders.
• Urban Spaces: Use in window boxes alongside scented herbs like mint or lemon balm.

FAQs

• When is the best time to plant begonia tubers?
  The best time is between February and April indoors, or outdoors after the last frost.
• How tall do these begonias grow?
  This variety reaches about 30cm in height and spread—ideal for compact spaces.
• Do they need full sun?
  Begonias thrive in partial shade but will tolerate full sun if kept moist; avoid harsh midday sun for best results.