How Long Do Gladiolus Bloom?


Quick Answer

The gladiolus has a bloom season from July to the first frost, according to About.com flowers expert Jamie McIntosh. Gardeners can ensure continuous blooming by planting gladiolus corms every two weeks.

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Full Answer

Gladioli prefer full sun conditions and grow on tall spikes three to four feet high. They are annuals that can be perennials in USDA Hardiness Zones of 8 and warmer. Corms should be planted six inches into warm, well-draining soil. After their blooming season is complete, the bulbs can be uprooted, dried and stored for the next season. Gladiolus bulbs should be kept in a cool, dry location for the best results.

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