Single flowering Dahlia Tubers

Why should you choose single flowering dahlia tubers?

Single flowering dahlia tubers are an excellent choice for gardeners who appreciate simple, elegant beauty. With their open-centred blooms and delicate, light petals, these dahlias add a graceful touch to any garden. Their lighter flowers are easily supported by long, slender stems, making them ideal for cutting and creating beautiful floral arrangements that bring the outdoors in.

These dahlias are also incredibly prolific, producing a profusion of blooms from mid-summer right up to the first frosts. Their reliable flowering ensures that your garden will remain vibrant and full of colour for months. Plus, because their open blooms attract pollinators like bees and butterflies, they are a great choice for wildlife-friendly gardens.

You can grow dahlias from seed, you can take cuttings and you can propagate the dahlia tuber to produce more flowers. If you're looking for a low-maintenance plant that offers continuous colour, ease of cutting, and wildlife benefits, single flowering dahlia tubers are a wonderful addition to any garden.

Stephen’s single flowering dahlia tuber top picks

Stephen Teeuw is the 3rd generation of his family to work in the flower bulb industry; he grows hundreds of varieties of new bulbs each year. At Peter Nyssen, we offer a wide variety of single flowering dahlia tubers to satisfy the needs of any gardening enthusiast. Here are Stephen’s top picks:

• Dahlia Teesbrooke Audrey: My first pick of any dahlia, a fantastic collarette flower.

• Dahlia Waltzing Mathilda: Beautiful sweeping petals of luscious colours. A very prolific flowering dahlia which makes it indispensable for cutting stocks!

• Dahlia HS Flame: A small flower on long thin stems, which seem to launch themselves from the foliage.

How to plant single flowering dahlia tubers

Planting single flowering dahlia tubers is a simple and rewarding process, giving you beautiful blooms throughout the summer and into autumn. Follow these steps to ensure your dahlias thrive:

Choose the right location: Single flowering dahlias prefer full sun, so choose a sunny spot in your garden that gets at least 6 hours of sunlight a day. They also need well-drained soil to prevent waterlogging, which can cause the tubers to rot.

Prepare the soil: Loosen the soil and mix in organic matter like compost or well-rotted manure to improve drainage and provide nutrients. Dahlias do best in rich, fertile soil with a slightly acidic to neutral pH.

Plant the tubers: Plant the tubers with the growing eye or bud facing upwards, about 10-15 cm (4-6 inches) deep. Space them around 30-45 cm (12-18 inches) apart to give each plant enough room to spread and grow.

Water thoroughly: After planting, water the area well to settle the soil around the tubers. Keep the soil moist but not soggy, especially during the early growing stages. Once established, dahlias are fairly drought-tolerant but will perform best with regular watering.

Provide support if needed: While single flowering dahlias are lighter than some other varieties, taller plants may still benefit from staking to support the long stems and prevent them from bending or breaking in windy conditions.

With these easy steps, your single flowering dahlia tubers will produce a stunning display of flowers from mid-summer until the first frost, bringing colour and elegance to your garden.

Why choose Peter Nyssen bulbs?

• We are a friendly, family-run business with more than 60 years of experience

• Our bulbs are packaged in compostable, starch-based bags where possible

• We offer bulk prices and free delivery for orders over £50

• We supply flower bulbs in quantities large and small, for all types of gardeners from the cottage potterer to the professional landscaper 

• With a range of colours and varieties available, you'll be spoilt for choice.

FAQs

When is the best time to plant single flowering dahlia tubers?

The best time to plant single flowering dahlia tubers is in late spring after the risk of frost has passed. In the UK, this is usually from late April to early June. Dahlias need warm soil to grow, so waiting for the soil to warm up ensures healthy development.

How deep should I plant single flowering dahlia tubers?

Plant dahlia tubers about 10-15 cm (4-6 inches) deep with the growing eye facing upwards. Make sure to space the tubers 30-45 cm (12-18 inches) apart to give the plants enough room to grow and spread.

Do single flowering dahlias need support?

While single flowering dahlias have lighter blooms than some other dahlia varieties, their long stems may still need support, especially if they’re planted in a windy location. Use stakes or a support frame to keep them upright as they grow.

How often should I water single flowering dahlias?

Water single flowering dahlias regularly to keep the soil moist, especially during dry spells. Be careful not to overwater, as waterlogged soil can cause the tubers to rot. Allow the top layer of soil to dry slightly between waterings.

Will single flowering dahlias attract pollinators?

Yes, single flowering dahlias are highly attractive to pollinators such as bees and butterflies. Their open, simple blooms provide easy access to nectar, making them a great addition to a wildlife-friendly garden.

Need more help?

Bring effortless beauty and elegance to your garden with our single flowering dahlia tubers. Perfect for cutting and admired for their simple, open-centred blooms, these dahlias will produce an abundance of flowers from mid-summer through to the first frost. Check out our dahlia planting guide for expert advice.