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Common Ironweed

Vernonia fasciculata, Asteraceae

Zones
3–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

Pollinator AttractorBeneficial Insect Habitat

Growing Conditions

Sun

Full Sun (preferred)

Water

Moderate

Soil pH

5.5 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Indian BlanketGaillardia pulchella
Pollinator SharingBeneficial Insect Habitat
Cobaea BeardtonguePenstemon cobaea
Wind ProtectionBeneficial Insect Habitat
Ohio SpiderwortTradescantia ohiensis
Beneficial Insect HabitatPollinator Sharing
Smooth Blue AsterSymphyotrichum laeve
Pollinator SharingBeneficial Insect Habitat

Antagonistic Plants

New York IronweedVernonia noveboracensis

Two ironweed species compete for similar resources and growing space

Narrow-Leaf IronweedVernonia lettermannii

Two ironweed species compete for similar resources and growing space

Uses

Functions

Pollinator Support

Common Questions

What zones does Common Ironweed grow in?

Common Ironweed grows in USDA hardiness zones 3 through 8.

What are good companion plants for Common Ironweed?

Good companions for Common Ironweed include Indian Blanket, Cobaea Beardtongue, Ohio Spiderwort, Smooth Blue Aster.

Design guilds with Common Ironweed and see companion relationships visually.

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