Highlights

Abundant Summer Blooms – Produces masses of striking peach and pink flowers from July to October.
Unique Colouration – Pale peach petals with deep pink bases and blush-pink frilled mini-petals for standout garden impact.
Flexible Planting – Ideal for borders, containers, or as a vibrant focal point in beds.
Resilient & Reliable – Thrives in diverse UK climates; perfect for both novice and experienced gardeners.
Easy Care Perennial – Lift tubers after frost for winter storage or mulch well in milder regions.
Height & Spread – Grows to approximately 60-90cm tall and 45cm wide at maturity.

We're offering you a Upto 6 Dahlia Rhubarb and Custard for £6.99, saving you up to 30% off Thompson and Morgan's's price of £9.99 (correct as of 03.02.2026).

Dahlia 'Rhubarb and Custard' – Botanical Beauty for Every Garden

Bring a splash of vibrant colour to your garden with the Dahlia 'Rhubarb and Custard', a captivating Colarette dahlia variety renowned for its abundant blooms and unique palette. Each flower features pale peach petals accented by deep pink bases and a frill of blush-pink mini-petals, creating a show-stopping display from midsummer through early autumn.

Botanical Name: Dahlia 'Rhubarb and Custard'
Type: Perennial tuberous flowering plant
Mature Size: 60-90cm tall, 45cm wide
Flowering Period: July to October
Best For: Borders, containers, cottage gardens, and as cut flowers

Why Choose Dahlia 'Rhubarb and Custard'?

Abundant, long-lasting blooms brighten your outdoor space all summer.
Dainty yet resilient plants add delicate texture and bold colour contrast.
Perfect as a garden centrepiece or companion to perennials like salvia, rudbeckia, or ornamental grasses.

Growing Guide & Care Tips

Planting Time: Plant tubers outdoors after the last frost (typically late April–May).
Soil: Prefers well-drained, fertile soil (neutral to slightly acidic pH).
Sunlight: Full sun (minimum 6 hours daily) for best flowering.
Watering: Water regularly during dry spells—avoid waterlogging.
Feeding: Apply balanced fertiliser every few weeks during the growing season.
Pest & Disease: Watch for slugs/snails; deadhead spent blooms to encourage new growth.
Tuber Care: In colder regions, lift tubers after first frost, dry, and store in a cool, frost-free place until spring. In milder areas, mulch well if left in the ground.

The Perfect Addition To Your Garden Scheme

Adds vibrant contrast when paired with purple salvias or blue agapanthus.
Makes stunning cut flowers for indoor arrangements.
Suits cottage gardens, mixed borders, or container displays on patios.

FAQs

When is the best time to plant Dahlia 'Rhubarb and Custard'?
The best time is after the last frost in spring—usually late April through May in the UK.
How tall do these dahlias grow?
This variety typically reaches 60–90cm in height with a spread of around 45cm.
Do I need to lift the tubers every winter?
If you live in colder areas (below -2°C), lift tubers after the first frost. In milder regions, you can leave them in the ground with a thick mulch for protection.