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Ashy Sunflower

Helianthus mollis

Last reviewed: July 2026

Helianthus mollis (Ashy Sunflower) is a drought-tolerant native wildflower blooming July through September across the Midwest. This yellow-flowered perennial attracts bees, butterflies, and beetles to prairie gardens and natural areas.

Ashy Sunflower (Helianthus mollis)
Photo: peganum / Wikimedia Commons (CC BY-SA 2.0)

Light

full sun

Water

low

Size

24"–48" H × 12"–24" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, DE and 31 more states

Pollinators

bees, butterflies, beetles

Ashy sunflower is a native perennial with soft, grayish-green foliage and bright yellow daisy-like flowers that bloom from summer into fall. It forms neat clumps and spreads slowly, making it well-suited for sunny borders and prairie-style gardens. The drought-tolerant plant requires minimal care once established.

Growing Ashy Sunflower

Grow Ashy Sunflower in full sun and low water. Mature plants reach 24 to 48 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

Ashy Sunflower is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

  • Goes dormant in winter leaving bare stems

Wildlife value

This sunflower provides nectar for bees, butterflies, and beetles during its long summer bloom period. Birds enjoy the seeds in fall, making it valuable for year-round wildlife support.

Common questions

When does Helianthus mollis bloom?
Ashy Sunflower blooms from July through September, providing late summer color when many other wildflowers are finishing their display.
What pollinators visit Ashy Sunflower?
Helianthus mollis attracts diverse pollinators including native bees, butterflies, and beetles. The large flower heads provide accessible nectar and pollen throughout the blooming period.
Where is Helianthus mollis native?
Ashy Sunflower is native to the central United States, including Michigan and other Midwestern states, where it grows naturally in prairies and open woodlands.
How much water does Ashy Sunflower need?
This drought-tolerant native requires minimal watering once established and actually prefers drier conditions, making it excellent for xeriscaping and low-maintenance gardens.
Is Ashy Sunflower HOA-friendly?
Ashy Sunflower is generally an HOA-friendly choice in the right placement, with low maintenance.

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 Ashy Sunflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz