Helianthus giganteus

Plants

public_domain

About

Helianthus giganteus, the giant sunflower or tall sunflower, is a species of Helianthus native to the eastern United States and eastern and central Canada, from Newfoundland west to Alberta south to Minnesota, Mississippi, and South Carolina.

Summary from Wikipedia

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Growing details and traits for Helianthus giganteus in the Library.

No cultivars in the Library yet — the full profile above covers the species itself.