perennial
Ironweed
Vernonia noveboracensis
Striking perennial with vibrant, deep purple flowers. A late-season bloomer that provides nectar for monarch butterflies.
USDA Zones
5–9
Height
tall (5–8 ft)
Bloom Season
August – October
Bloom Color
Deep Purple
🦌 Deer ResistantDeer tend to avoid this plant🐕 Dog-Friendly†Not listed as toxic to dogs by common horticultural references. See disclaimer below.🐈 Cat-Friendly†Not listed as toxic to cats by common horticultural references. See disclaimer below.🐾 Groundhog ResistantGroundhogs tend to avoid this plant🌿 Native to USNative to North America — supports local wildlife and ecosystems🐝 Attracts PollinatorsAttracts bees and other pollinators🦋 Attracts ButterfliesAttracts butterflies
† "Dog-Friendly" / "Cat-Friendly" means this plant is not listed as toxic by common horticultural references. It is not a guarantee of safety for all animals in all circumstances. If your pet ingests any plant, contact your vet or the ASPCA Animal Poison Control Center: (888) 426-4435.
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Sun Requirements
Full Sun
6+ hours of direct sunlight daily
Soil Type
Moist, well-drained
Care Requirements
Water Needsmedium
Maintenancelow
EvergreenNo
Complete Care Guide
Low maintenance and adaptable to various soil types. Deadhead spent blooms for a tidier appearance.