Dahlia Coltness Mix Seeds

Dahlia Coltness Mixed Seeds Dahlia variabilis

Dahlia Coltness seeds produce cheerful, semi-double blooms in a vibrant mix of bright colours, including red, yellow, orange, pink, and white. These early-flowering dahlias grow on bushy plants reaching around 60cm tall, bringing lively, long-lasting colour to summer borders.

A reliable performer that’s easy to grow from seed, Coltness Dahlias thrive in sunny spots and are ideal for both formal displays and relaxed cottage-style planting. Their sturdy stems and vivid blooms make them excellent for cut flower arrangements. With their generous flowering season and wide colour range, Dahlia Coltness is a favourite for creating eye-catching garden displays with minimal effort.

Key Features:

Botanical name: Dahlia variabilis

Vibrant mix of colours semi-double blooms in warm, summery shades

Early to flower and continues blooming into late summer

Height to 60cm bushy, upright habit

Perfect for borders, bedding schemes, and cut flower gardens

Easy to grow from seed ideal for gardeners of all levels

Great for pollinators and long-lasting summer 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