About Allium (Ornamental Onion)

Towering purple globe blooms dazzle in late spring to early summer, adding bold color and texture to any garden. Deer resistant and thriving in USDA zones 4-9, this low-maintenance Allium attracts pollinators with ease.

Growing Zones

Allium (Ornamental Onion) (Allium giganteum) grows in USDA Hardiness Zones 4–8. It thrives in full sun and reaches 2–4 feet tall.

Is Allium (Ornamental Onion) Safe for Dogs?

Allium (Ornamental Onion) may be toxic to dogs. Consult your veterinarian if ingestion is suspected. ASPCA Animal Poison Control: (888) 426-4435.

Is Allium (Ornamental Onion) Safe for Cats?

Allium (Ornamental Onion) may be toxic to cats. Consult your veterinarian if ingestion is suspected. ASPCA Animal Poison Control: (888) 426-4435.

Is Allium (Ornamental Onion) Deer Resistant?

Yes, Allium (Ornamental Onion) is deer resistant. Deer tend to avoid it due to its texture or scent. No plant is 100% deer-proof, but this is a reliable choice for deer-prone gardens.

Does Allium (Ornamental Onion) Attract Pollinators?

Allium (Ornamental Onion) attracts bees and pollinators and butterflies, making it an excellent choice for pollinator gardens.

How to Care for Allium (Ornamental Onion)

Allium (Ornamental Onion) grows best in full sun with low water needs. Plant in USDA Hardiness Zones 4–8 for best results. Prune after flowering to maintain shape and encourage repeat blooms.