Gladiator Flowering Onion Allium 2 Bulbs - Deer Proof! Flower: Stunning gigantic blooms that can reach up to 8" across. Full sun to partial shade. Purple flowers Hardy in zones 3-9. Bulb Size: 18/+ cm Deer resistant. Bloom Time: Late spring to early summer Shipping begins 09/05/11. Disregard the initial shipping email if purchased before this date.