Giant Sunflower (Helianthus giganteus) | View Observations
Helianthus giganteus (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.
Other Names: Подсолнечник Гигантский, Riesen-Sonnenblume, Slunečnice Obrovská, Helgig, Roima-Auringonkukka, Goliatsolros
