Description
Helianthus intermedius (also called intermediate sunflower, among many other common names) is an annual herb native to North America. It grows to a height of up to 1 m and has hairy stems and leaves. Its flowers are yellow and are borne in clusters on the ends of the stems. It is found in dry grasslands, open woodlands, and disturbed areas.
Flower, Seeds and Seedlings
The flower of Helianthus intermedius is a yellow daisy-like flower with a yellow disc and yellow ray florets. The seed is a small, dark brown achene. The seedlings are small, with a single pair of leaves and a yellow flower bud.
Cultivation and Propagation
Helianthus intermedius is a perennial plant that grows to a height of 1 m. It prefers full sun and well-drained soils. Propagation is by seed or division. Seeds should be sown in spring or summer in a warm, sunny position. Division should be done in spring or autumn.
Where to Find Helianthus intermedius
Helianthus intermedius is native to North America and can be found in the states of Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Nebraska, North Carolina, Ohio, Oklahoma, South Carolina, Tennessee, Texas, and Wisconsin.