Planting Gladiolus this year? Traditional Gladiolus will grow 4-5’ tall and bloom mid to late summer. They are winter hardy in zones 8 and above and come in an assortment of colors including two-tone blooms! #gladiolus #gladioli #planting #plantdesign #gardeninglife #gardeningtips #hollandbulbfarms #getready #spring2023 | HollandBulbFarms.com