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Light up your garden with the breathtaking Colour Spectacle Cactus Dahlia. Its bold, spiky petals unfurl in brilliant shades of glowing orange, creating a fiery burst that feels like a celebration in bloom. Whether brightening up a summer border or stealing the spotlight in a vase, this variety is pure garden drama.
Ready to fill your garden with dahlia flowers? Follow our step-by-step Dahlia Tuber Grow Guide for planting, staking, summer care and winter storage.
Quick Grow Facts
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Planting time: Spring, once local frost risk has passed and the soil has warmed.
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Position: Full sun and fertile, well-drained soil.
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Planting: Keep the tuber clump intact. Set it horizontally in a hole around 10–15 cm deep, with the crown and eyes facing upward; cover with soil.
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Spacing: Allow about 45–60 cm, giving larger varieties more room. Install supports for taller dahlias at planting.
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Water and care: Avoid saturating dormant tubers. Once shoots grow, keep soil evenly moist without waterlogging. Deadhead regularly and feed growing plants according to the fertiliser label.
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Winter care: Let growth die back naturally; lift and store dry and frost-free where winter frost or wet soil threatens the tubers.
Keep dahlia tubers and plants away from pets; they are not suitable for pet consumption.