Waris Glamourglad Gladiolus 10 Bulbs - NEW! - Never Needs Staking - 12/+ cm Unique color combinations Height: 36-60". Compact and sturdy. Loves the sun. No need for staking. Great in containers. Blooms in July and August. Hardy in zones 8-10, elsewhere dig and store in the winter. Immediate Shipping. 12/+ cm bulbs.