Gladioli are summer-blooming corm plants. Corms are similar to and planted like bulbs. Gladioli should be planted in spring, when all danger of frost is passed. Depending on the size, they can be planted anywhere from 4 to 8 inches deep, with the pointed side up and with 3 to 6 inches between each corm.
Gladiolus is a classic perennial known for its tall flower spikes. A great cutting flower, gladioli look beautiful in midsummer bouquets. Here’s how to grow gladioli in your garden.
Available in a multitude of colors, gladioli grow between 2 to 5 feet in height.
The taller varieties, which should be staked, are often placed in the back of a garden to nicely complement shorter plants.