We're offering you a Garden Ready Begonia Illumination Mixed for £9.99, saving you up to 44% off Thompson and Morgan's's price of £17.99 (correct as of 29.05.2026).

Brilliant Colours

Bring vivid colour and effortless elegance to your garden with Begonia 'Illumination' Mixed. This hybrid bedding plant is celebrated for its abundant double blooms and cascading habit, making it a standout choice for hanging baskets, window boxes, containers, and Flower Pouches®.

Plant Benefits

• Continuous Colour: Enjoy a vibrant mix of red, pink, orange, and yellow flowers from late spring right through to the first frost.
• Cascading Growth: Each plant reaches up to 60cm (24") in both height and spread, creating lush trailing displays that spill beautifully over container edges.
• Weather Tolerance: The Illumination series is bred for resilience—expect healthy growth and prolific flowering in sun or shade, even during unpredictable summer weather.

Growing Guide

• Planting Time: Plant outdoors after the last frost—typically late April to May in the UK.
• Light Requirements: Prefers partial shade but tolerates full sun if kept well-watered.
• Soil Preference: Grows best in moist, well-drained soil rich in compost. Avoid waterlogged conditions.
• Watering: Keep soil consistently moist during dry spells for best results.
• Feeding: Use a balanced liquid fertiliser every two weeks throughout the growing season.

Caring for Your Begonias

• Pest & Disease Resistance: Generally resistant to most pests; monitor for slugs and snails early in the season.
• No Deadheading Needed: Spent blooms drop cleanly, making maintenance easy.
• Overwintering: In colder areas (below USDA Zone 9), lift tubers before frost and store them dry until spring planting.

Design Ideas & Companions

• Baskets & Containers: Pair with trailing lobelia or fuchsias for layered texture and colour.
• Cottage Gardens: Use as vibrant fillers among hostas or other shade-loving perennials.
• Paved Patios: Place pots near seating areas to enjoy their striking cascading blooms up close.

FAQs

• When is the best time to plant Begonia 'Illumination' Mixed?
  The ideal time is after the last frost—usually late April or May in the UK.
• How big will these begonias get?
  This variety grows up to 60cm (24") in both height and spread when mature.
• Do they need full sun?
  'Illumination' begonias prefer partial shade but can tolerate full sun if watered regularly.