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Turn your garden into a sea of colour with the Rosella Decorative Dahlia. Known for its rich pink blooms with hints of fuchsia, this variety creates an enchanting, cheerful display that brightens every corner of the garden. A true favourite among cut-flower enthusiasts, Rosella’s vibrant blossoms bring both energy and elegance to outdoor spaces and indoor arrangements alike.
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.
