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Giant Cutleaf Coneflower

Rudbeckia laciniata var. ampla, Asteraceae

Zones
4–8
Layer
Herbaceous
Lifespan
Perennial
Growth
Fast

Guild Roles

Pollinator AttractorBeneficial Insect HabitatPest Confuser

Growing Conditions

Sun

Full Sun (preferred)Partial Shade (tolerated)

Water

Moderate (established)High (seedling)

Soil pH

5.5 – 7.5

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Sky Blue AsterSymphyotrichum oolentangiense
Shade ProvisionPollinator Sharing
Foxtail Prairie CloverDalea leporina
Nitrogen FixationPollinator Sharing

Antagonistic Plants

Thinleaf SunflowerHelianthus decapetalus

Giant cutleaf coneflower and thinleaf sunflower may compete for light and exhibit allelopathic effects

Tall CoreopsisCoreopsis tripteris

Giant Cutleaf Coneflower and Tall Coreopsis both form large clumps and compete for space, nutrients, and light.

Uses

Functions

Attracts Large Beneficial WaspsSupports Predatory BeetlesButterfly Nectar SourceHover Fly HabitatLate Summer Bloomer

Common Questions

What zones does Giant Cutleaf Coneflower grow in?

Giant Cutleaf Coneflower grows in USDA hardiness zones 4 through 8.

What are good companion plants for Giant Cutleaf Coneflower?

Good companions for Giant Cutleaf Coneflower include Sky Blue Aster, Foxtail Prairie Clover.

Design guilds with Giant Cutleaf Coneflower and see companion relationships visually.

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