Dahlia Cactus Flowered Mix Seeds

Dahlia Cactus Flowered Mix Seeds – Dahlia variabilis

Dahlia Cactus Flowered Mix seeds produce tall, dramatic plants bearing large, spiky-petalled blooms in a dazzling mix of colours. Reaching 90–120cm in height, these striking dahlias are superb for cutting gardens and mixed borders, where their bold form and brilliant shades create instant impact.

Flowering freely from midsummer until the first frosts, they provide a continuous supply of long-lasting blooms perfect for floral arrangements. Easy to grow from seed, this reliable mix combines garden performance with outstanding cut flower quality, making it a favourite for both ornamental displays and homegrown bouquets.

Key Features:

Botanical name: Dahlia variabilis

Tall dahlia variety – large, cactus-flowered blooms in mixed colours

Flowers from midsummer to the first frosts

Height 90–120cm – ideal for borders and cutting gardens

Excellent cut flowers – sculptural, long-lasting blooms

Easy to grow from seed – dependable and rewarding

Adds height, texture, and spectacle to seasonal displays

Sowing & Growing Instructions:

Sow indoors in trays or modules from February onwards

Transplant outdoors in late spring/early summer once seedlings are hardened off and all frost risk has passed

Choose a sunny, well-drained site with fertile soil

Water regularly and feed during the flowering season to encourage strong growth and continuous blooms

Deadhead spent flowers to promote prolonged flowering throughout summer