Gladiolus Flower Bulbs. Inch or larger in diameter. Gladiolus come in a wide selection of classic colors as well as the newest bi-colors or tri-colors.
Feb 10 2021 When to Plant Gladiolus Bulbs. Insert the bulbs and press. Flowers are blooming there by April.
Feb 10 2021 When to Plant Gladiolus Bulbs.
Flowers are blooming there by April. These summer-blooming bulbs produce elegant 3-foot flower spikes with orchid-like blooms. Whether its for a birthday or anniversary you cant deny the love that exudes from these gladiolus blooms. Gladiolus are only completely hardy in USDA plant hardiness zones 8 to 11.