When does Helianthus giganteus bloom?

Helianthus giganteus blooms from July through September, producing bright yellow flowers that attract various pollinators.

What pollinators visit Helianthus giganteus?

This native sunflower attracts bees, butterflies, and beetles, making it valuable for pollinator gardens and wildlife habitat.

Where is Helianthus giganteus native?

Helianthus giganteus is native to much of the eastern and midwestern United States, from Maine to Georgia and west to Kansas and Minnesota.

What growing conditions does Helianthus giganteus prefer?

This species thrives in full sun to partial sun with medium to high moisture levels, often found in prairies, wetland edges, and disturbed areas.

Is Indian-potato HOA-friendly?

Indian-potato takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Indian-potato

Name: Pollinator Patch
Author: Pollinator Patch

Helianthus giganteus

Last reviewed: June 2026

Helianthus giganteus is a native sunflower that blooms July through September across the eastern and midwestern United States. This tall perennial thrives in full sun with medium to moist soil conditions.

Indian-potato (Helianthus giganteus) — Photo: Wikimedia Commons (Public domain)

Light

full sun

Water

medium

Size

36"–96" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

CT, DE, GA, IA and 21 more states

Pollinators

bees, butterflies, beetles

Indian-potato is a tall native sunflower that produces bright yellow blooms from summer into early fall. This perennial spreads slowly to form colonies and can reach up to 8 feet tall, making it an impressive backdrop plant. The flowers attract numerous pollinators and provide seeds for birds in autumn.

Growing Indian-potato

Grow Indian-potato in full sun and medium water. Mature plants reach 36 to 96 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Indian-potato takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Extremely tall height appears wild and unmanaged
Can look weedy when dormant
Spreading habit may appear unkempt

Wildlife value

Supports bees, butterflies, and beetles with nectar and pollen throughout its long blooming period. Seeds provide important food for goldfinches and other birds in fall and winter.

Common questions

When does Helianthus giganteus bloom?: Helianthus giganteus blooms from July through September, producing bright yellow flowers that attract various pollinators.
What pollinators visit Helianthus giganteus?: This native sunflower attracts bees, butterflies, and beetles, making it valuable for pollinator gardens and wildlife habitat.
Where is Helianthus giganteus native?: Helianthus giganteus is native to much of the eastern and midwestern United States, from Maine to Georgia and west to Kansas and Minnesota.
What growing conditions does Helianthus giganteus prefer?: This species thrives in full sun to partial sun with medium to high moisture levels, often found in prairies, wetland edges, and disturbed areas.
Is Indian-potato HOA-friendly?: Indian-potato takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Indian-potato? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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