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Dahlia Bulbs for Sale in South Africa
Looking for bold, long-lasting colour? Dahlias deliver show-stopping blooms from midsummer into autumn across much of South Africa. Choose from dinnerplate, cactus, decorative and pompon forms to light up beds, borders, containers and cutting gardens.
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Summer Bulbs •
Summer Bulb Planting Guide
Why buy dahlias from Lowensvlei?
Quality tubers: Vigorous, true-to-type stock selected for SA gardens.
Huge variety: From giant dinnerplates to compact pompons—perfect for beds and bouquets.
Easy success: Clear planting and care tips ensure a stellar show, even for first-time growers.
Planting dahlias in South Africa (timing & spacing)
Best time to plant: After the risk of frost has passed—typically late August to October in the Western Cape and September to November inland. Warmer coastal areas can often start slightly earlier.
Location: Full sun (6–8 hours). Free-draining soil is essential.
Soil prep: Loosen 25–30 cm deep; mix in compost for structure (avoid overly rich nitrogen). Target pH ~6.5–7.
Depth & orientation: Lay the tuber horizontally with the “eye/crown” just below the soil surface (±3–5 cm cover). Avoid burying too deep.
Spacing: Compact/pompon: 30–45 cm; decorative/cactus: 45–60 cm; dinnerplate: 60–90 cm.
Staking: For medium to tall types (especially dinnerplate), insert stakes at planting to avoid root damage later.
Water in: Water thoroughly after planting, then keep evenly moist—never waterlogged.
Ongoing care for bigger, better blooms
Watering: Deep, infrequent watering encourages strong roots. Increase in hot, windy spells.
Feeding: Use a balanced, low-nitrogen fertiliser once plants are 20–30 cm tall; repeat lightly every 3–4 weeks.
Pinching: When plants hit ~30 cm, pinch the growing tip to promote bushier growth and more flowers.
Deadheading: Remove spent blooms promptly to extend flowering.
Pests: Watch for aphids and snails; ensure good airflow to limit mildew.
Grow like a pro:
Summer Bulb Planting Guide •
Explore All Summer Bulbs
Shop Dahlias by Type
Browse our most-loved forms below. Mix heights and forms for dynamic borders and bouquets.
Dinnerplate Dahlias — Huge, dramatic flowers ideal for focal points.
Decorative Dahlias — Full, layered petals; a versatile landscaping staple.
Cactus & Semi-Cactus — Spiky, architectural petals with loads of texture.
Pompon & Ball — Compact plants with tidy, long-lasting blooms (great for cutting).
Cutting & vase life
When to cut: Early morning when blooms are just fully open (centres firm).
Conditioning: Use clean, sharp snips; hydrate stems in deep, cool water for 2–4 hours.
Vase life: 4–7 days with clean water and frequent changes.
Ready to plant?
Transform your beds, borders and vases with premium dahlia tubers. Browse our latest collection and find your favourites today.
Tip: Pair with Summer Bulbs for a season-long display.
With the right timing, spacing and simple care, dahlias reward you with unmatched colour from summer through autumn. Happy planting!