How to Grow and Care for Gladiolus

A close up horizontal image of a large swath of purple, orange, and pink gladioli flowers growing in light sunshine.

Gladiolus is a flowering perennial for USDA Hardiness Zones 7-11. It grows from corms that readily naturalize providing colorful, ever-enlarging displays. Enjoy it as an annual in other zones, where it can be lifted for the winter. Read on to learn all you need to know to cultivate this ornamental beauty in your garden.