Gladioli Black Star is a striking gladiolus variety admired for its tall spikes of deep, velvety black-purple flowers. The large, funnel-shaped blooms open from the base upwards, creating a dramatic and eye-catching vertical display in borders, containers, and cut flower arrangements. Flowering freely in summer, Black Star adds long-lasting colour and intensity to the garden. Its strong growth habit and reliable performance make it a favourite for gardeners seeking bold, show-stopping spikes.

Why we like it

• Tall spikes with deep black-purple flowers

• Excellent for cutting and borders

• Reliable, free-flowering variety

What to know

• Plant in full sun for best flowering

• Prefers fertile, well-drained soil

• Space corms adequately for airflow

• Stake taller spikes to prevent flopping

• Lift and store corms in colder areas over winter

Flower colour
Deep black-purple

Flowering months
July, August, September

Height and Spread
100–120 cm