About Ironweed

Vibrant purple blooms light up late summer gardens with striking color and texture. This deer-resistant perennial thrives in USDA zones 4-9 and attracts pollinators with ease.

Growing Zones

Ironweed (Vernonia noveboracensis) grows in USDA Hardiness Zones 5–9. It thrives in full sun and reaches 5–8 feet tall.

Is Ironweed Safe for Dogs?

Ironweed is not listed as toxic to dogs by the ASPCA. Always consult your veterinarian. ASPCA Animal Poison Control: (888) 426-4435.

Is Ironweed Safe for Cats?

Ironweed is not listed as toxic to cats by the ASPCA. Always consult your veterinarian. ASPCA Animal Poison Control: (888) 426-4435.

Is Ironweed Deer Resistant?

Yes, Ironweed 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 Ironweed Attract Pollinators?

Ironweed attracts bees and pollinators and butterflies, making it an excellent choice for pollinator gardens.

How to Care for Ironweed

Ironweed grows best in full sun with medium water needs. Plant in USDA Hardiness Zones 5–9 for best results. Prune after flowering to maintain shape and encourage repeat blooms.