Helianthus laetiflorus aka Perennial Sunflower
Taxonomy
Helianthus laetiflorus, also known as the cheerful sunflower or perennial sunflower, is a rhizomatous, clump-forming plant in the family Asteraceae. Native to various regions across Canada and the central and eastern United States, it can reach heights of up to 2m. This vibrant sunflower features dark green, narrowly-ovate leaves with toothed edges. From late summer to autumn, it produces bright yellow flowerheads measuring around 10-12cm in diameter, which boast dark centers, creating a striking contrast. While the showy sunflower's appearance is captivating, it should be noted that it has the potential to become invasive if not properly managed.
Common names
Perennial Sunflower, Cheerful Sunflower, Beautiful SunflowerHow to care for Perennial Sunflower
Difficulty
With its straightforward care requirements, Perennial Sunflower is a hassle-free plant that anyone can enjoy.
Lighting
Perennial Sunflower requires abundant, bright, and direct light to thrive. The best placement for this plant is within one foot of a window to ensure it receives enough light. If you live in an area with more extreme weather, such as hot summers or cold winters, you may need to adjust the placement of the plant accordingly. During hot summer months, it is important to place the plant away from full sun, as this can cause the leaves to yellow or burn. During cold winter months, it is best to move the plant closer to the window to take advantage of the extra light that can help it survive. By keeping an eye on the current weather in your area, you can make sure your Cheerful Sunflower is always in the right place to thrive.
Toxicity
There is no verified data on the toxicity of this plant in the records of Ploi. If any person, including yourself, a family member, or a pet, consume plant material with an uncertain toxicity level, it is advisable to seek the advice of a healthcare expert.
Region of origin
Perennial Sunflower’s native range is Central N. America - Pennsylvania to Minnesota.
More info:
Wikipedia
More Species in Helianthus Genus

Helianthus petiolaris Prairie Sunflower

Helianthus californicus California Sunflower

Helianthus gracilentus Slender Sunflower

Helianthus grosseserratus Sawtooth Sunflower

Helianthus maximiliani Maximilian Sunflower

Helianthus pauciflorus Stiff Sunflower

Helianthus annuus Sunflower

Helianthus lenticularis

Helianthus microcephalus Woodland Sunflower
