Dahlia Cactus Mix Seed

A dazzling blend of spiky-petalled dahlias in a kaleidoscope of colours, this cactus-flowered mix brings bold drama and architectural flair to summer borders, and a cutting gardens.

 

Each bloom is a marvel, with finely quilled petals that twist and curl into starburst shapes, creating a dynamic texture that stands out from traditional dahlia forms. Colours range from rich crimson and fiery orange to soft peach, lemon yellow, lavender, and pure white, offering a vibrant palette that evolves throughout the season.

 

Plants reach impressive heights and produce strong, upright stems that support large, long-lasting flowers ideal for cutting. Their bold form and vivid hues make them a favourite for late-season displays. Whether grown en masse or interspersed among other annuals and perennials, this mix is sure into impress.

 

Seed Qty Approx 1 gram

 

Height: 90–120 cm

Spread: 40–60 cm

Position: Full sun

Soil: Fertile, well-drained, humus-rich

Lifecycle: Half-hardy annual (grown from seed as annual)

 

 

Sowing & Growing Guide

 

Sow indoors from February to April in trays or pots with gentle heat. Cover lightly and keep moist. Germination takes 7–14 days. Transplant seedlings into individual pots when large enough to handle. Harden off and plant out after last frost, spacing 40–50 cm apart. Pinch out growing tips for bushier plants. Feed regularly and deadhead to prolong flowering. Flowers from July to October.

 

Companion Planting & Uses

 

Perfect for dramatic summer displays, mixed borders, and cutting gardens. Pairs beautifully with rudbeckia, cosmos, and ornamental grasses. Attracts pollinators and adds vertical interest. Excellent for bouquets and floral arrangements.

 

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