Helianthus decapetalus is a rhizomatous perennial wildflower in the aster family.
It is native to eastern and central North America and is commonly found in woodlands and forests.
The bright yellow flowers are up to 3 inches across and bloom from July to October.
This plant can spread aggressively under the right conditions.
It is a high-value wildlife plant, providing food for pollinators, birds, and mammals.
Known Range:
Helianthus decapetalus is found in all areas of North Carolina, but it is more prevalent in the Piedmont and mountain regions.
It is also native to the Eastern and Central United States and Canada, ranging from New Brunswick west to Iowa, Wisconsin, and Ontario, and as far south as Georgia and Louisiana213.
Care Requirements:
Light: Prefers full sun (6 or more hours of direct sunlight a day) or partial shade (2-6 hours of direct sunlight).
Soil: Thrives in moist, loamy, well-drained soils.
Wildlife Value: Flowers attract bees, butterflies, and other pollinators. It serves as a larval host plant for the Silvery Checkerspot butterfly (Chlosyne nycteis).
Maintenance: Requires medium maintenance.
Growth Rate: Medium.
USDA Plant Hardiness Zone: Zones 4a to 9b.
Fruit: Oblong, slightly flattened dark achenes, about 1/8 inch in size, displayed from August to November.
Many of the flowering plants featured on our website are available through Nature Hills Nursery. Ordering them through this link will support the Cernunnos Foundation and your garden!
