Helianthus × laetiflorus, commonly known as the cheerful sunflower, is a hybrid plant resulting from the cross between Helianthus hirsutus and Helianthus tuberosus. Belonging to the Asteraceae family, this plant is native to North America. It typically reaches heights of up to 2 meters and features large, bright yellow flowers that bloom in late summer or early fall.
The cheerful sunflower thrives in full sun and well-drained soil. While it can tolerate drought conditions, it requires regular watering during extended dry periods. The plant can be propagated from seeds or by dividing its rhizomes in early spring.
In landscaping, the cheerful sunflower is valued for adding color and texture to gardens, borders, and naturalized areas. Its nectar-rich flowers attract pollinators such as bees and butterflies.
Overall, Helianthus × laetiflorus is an attractive perennial plant that requires minimal maintenance while providing a vibrant burst of color during the late summer months.
Botanical profile.
- Genus
- Helianthus
- Family
- Asteraceae
Other names.