We're offering you a 30 or 60 Begonia Illumination Plants for £9.99, saving you up to 58% off Thompson and Morgan's's price of £23.99 (correct as of 24.02.2026).

Resilient Begonia 'Illumination' mixed

Transform Your Garden with Begonia 'Illumination' Mixed

Begonia 'Illumination' mixed is a renowned bedding plant celebrated for its abundant, trailing blooms and lush foliage. This tuberous begonia variety is prized for delivering a dazzling cascade of colour from early summer right through to the first frosts.

• Botanical Profile: Tuberous perennial (grown as annual in the UK), offering large, semi-double flowers in a rainbow of shades.
• Growth Habit: Vigorous trailing stems reach up to 60cm (24") in length, perfect for hanging baskets and containers.
• Flowering Period: Enjoy continuous blooms from June to October.
• Foliage: Attractive green leaves provide a rich backdrop for the vivid flowers.

Growing Guide

• Sun/Shade: Performs best in part shade but tolerates full sun if kept moist.
• Soil: Prefers fertile, well-drained soil with a neutral to slightly acidic pH.
• Watering: Keep soil consistently moist but not waterlogged. Avoid wetting leaves to reduce risk of mildew.
• Feeding: Apply a balanced liquid fertiliser every two weeks during the growing season.
• Frost Protection: Plant outdoors only after the last frost; begonias are not frost-hardy.

Caring For Your Begonias

• Deadheading: Remove faded blooms regularly to encourage more flowers.
• Tuber Storage: For repeat planting, lift tubers after foliage dies back in autumn and store them dry over winter in a frost-free place.
• Pest & Disease: Generally pest-resistant; watch for slugs and snails on young shoots.

Design Ideas & Companion Plants

• Create vibrant displays by pairing with trailing lobelia, fuchsias, or ivy-leaved geraniums in mixed baskets.
• Add structure with upright salvias or coleus for contrasting foliage and height.
• Begonia 'Illumination' is ideal for brightening shaded patios, balconies, or window boxes where many other bedding plants struggle.

FAQs

When is the best time to plant Begonia 'Illumination'?
Plant outdoors after the last frost (typically late May to early June in the UK).

How much sun do these begonias need?
They thrive in part shade but can tolerate full sun if kept well-watered.

How do I overwinter begonia tubers?
After flowering finishes and foliage dies back, lift tubers, dry them off, and store them somewhere cool and frost-free until next spring.