Dahlia Bulbs & Tubers for Sale in South Africa

Looking for bold summer colour? Dahlia bulbs, correctly known as dahlia tubers, produce spectacular flowers from midsummer into autumn and are one of the best choices for garden beds, borders, containers and cut flower gardens.

At Lowensvlei Flower Farm, we offer a seasonal range of dahlia tubers for South African gardens. Choose from decorative, cactus, pompon, ball and dinnerplate dahlias in a wide range of colours and flower forms.

Please note: Dahlias are seasonal products and may be offered as pre-orders before the planting season. Orders are dispatched during the correct planting window to give your tubers the best chance of success. If stock is not yet available, join the Dahlia waitlist on this page and we’ll notify you when the next collection opens.

New to growing dahlias? Start with our
Dahlia Tubers for Sale in South Africa: 2026 Buying Guide.

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Summer Bulbs •
Shop Dahlias •
When to Plant Dahlias •
Best Dahlias for Cut Flowers

Why Buy Dahlia Tubers from Lowensvlei?

Selected for South African gardens: Our dahlias are chosen for summer colour, garden performance and cut flower potential.

Great variety: From large dinnerplate blooms to compact pompon and ball types, there is a dahlia for every garden style.

Flower farm experience: We grow and sell flowers every day, so we understand what makes a good garden and cutting flower.

Seasonal dispatch: Dahlia tubers are sent during the correct planting window, not months before they should be planted.

Waitlist and pre-order updates: Popular varieties can sell out quickly, so joining the waitlist helps you avoid missing the season.

When to Plant Dahlias in South Africa

Dahlias are warm-season plants. In most parts of South Africa, plant dahlia tubers in spring after the risk of frost has passed. This is usually from late August to October in the Western Cape and September to November in colder inland areas.

For a full regional guide, read:

When to Plant Dahlia Tubers in South Africa
.

Position: Full sun, ideally 6–8 hours per day.

Soil: Well-drained soil with compost worked in before planting.

Planting depth: Plant the tuber shallowly with the crown or eye just below the soil surface.

Spacing: 30–45 cm for compact types, 45–60 cm for most dahlias, and 60–90 cm for large dinnerplate types.

Staking: Taller varieties should be staked at planting to avoid damaging the roots later.

Shop Dahlias by Type

Dinnerplate dahlias: Large, dramatic flowers for statement planting and bouquets.
Read more about
dinnerplate dahlias.

Decorative dahlias: Full, layered blooms and one of the most popular garden types.

Cactus and semi-cactus dahlias: Spiky, textured petals for something different.

Pompon and ball dahlias: Neat, rounded flowers that are excellent for cutting.

Mixed dahlia packs: A good value option if you want a colourful summer display.

Basic Dahlia Care

Watering: Keep soil evenly moist once growth starts, but avoid waterlogged soil.

Feeding: Use a balanced, low-nitrogen fertiliser once plants are established.

Pinching: Pinch the growing tip when plants are about 30 cm tall for bushier growth and more flowers.

Deadheading: Remove old flowers regularly to encourage more blooms.

Pests: Watch for snails, slugs and aphids, especially on young growth.

Need help troubleshooting? Read:

Dahlia Problems: Why Tubers Rot, Fail to Sprout or Stop Flowering
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Are Dahlias Good Cut Flowers?

Yes. Dahlias are excellent cut flowers and produce more blooms when picked regularly. Cut flowers early in the morning when the blooms are fully open, then place stems into clean, cool water. Vase life is usually around 4–7 days, depending on the variety and conditions.

If you are planning a home cutting garden, read our guide:

Best Dahlias for Cut Flowers
.

Can You Grow Dahlias in Pots?

Yes, many dahlias grow beautifully in containers if they have enough sun, good drainage and regular watering. Compact dahlias and smaller decorative types are especially useful for patios, courtyards and smaller gardens.

For container tips, read:

Can You Grow Dahlias in Pots?
.

Dahlia Bulbs or Dahlia Tubers?

Many gardeners search for “dahlia bulbs”, but dahlias actually grow from tubers. On our website, we may use both terms so customers can find the products easily, but the planting material supplied is a dahlia tuber.

For a full explanation, read:

Dahlia Bulbs vs Dahlia Tubers: What to Buy in South Africa
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Ready to Grow Your Own Summer Flower Display?

Browse our seasonal dahlia collection and choose your favourite colours, forms and value packs. If the variety you want is sold out, use the waitlist or notify-me option so you can be updated when stock becomes available again.

Shop Dahlia Bulbs & Tubers →