Plant Profile: Helianthus decapetalus

The Ten-Petal Sunflower is a perennial wildflower with rhizomatous growth, belonging to the aster family. It is indigenous to the eastern and central regions of North America, thriving in woodlands and forests. While it can be found throughout North Carolina, it is particularly abundant in the Piedmont and mountainous areas. This plant is highly beneficial for wildlife, serving as a food source for pollinators, birds, and mammals. Its vibrant yellow flowers can reach up to 3 inches in diameter and typically bloom from July to October. Under optimal conditions, it can spread quite vigorously.

This species thrives in full sun to partial shade and prefers moist, loamy, well-drained soils. It is ideal for use in naturalized settings, along woodland edges, or in meadows, making it an excellent choice for natural landscaping.

For further details on Helianthus, please refer to additional resources.