Dahlia Red Cap is a striking decorative dahlia admired for its bold, vibrant red blooms with fully double, rounded petals. The medium to large flowers create a dramatic and eye-catching display in borders, containers, and cut flower arrangements. Flowering freely from mid-summer into autumn, Red Cap adds long-lasting colour and strong visual impact to the garden. Its reliable growth and abundant blooms make it a favourite for gardeners seeking vibrant, show-stopping flowers.

Why we like it

• Bold, vibrant red decorative blooms

• Excellent for cutting and displays

• Strong, free-flowering habit

What to know

• Plant in full sun for best flowering

• Prefers fertile, well-drained soil

• Pinch early growth to encourage bushier plants

• Stake taller plants to support heavy flowers

• Lift and store tubers over winter in colder areas

Flower colour
Vibrant red

Flowering months
July, August, September, October

Height and Spread
80–100 cm