Helianthus angustifolius (Swamp Sunflower)

Helianthus angustifolius, more commonly known as the swamp sunflower, is a beautiful wildflower found in many areas of the United States, especially in Texas. This attractive flower is part of the Asteraceae family and blooms from late summer through early fall. Its bright yellow petals are sure to catch the eye of any passerby.

Native to the southeastern and central United States, ranging from Alabama to West Virginia, this wildflower typically grows in wet areas like swamps, ponds, marshes, and other wetlands. The plant prefers moist soils and can tolerate both full sunlight and partial shade, making it a great addition to any garden or natural area.

The swamp sunflower is an easy-to-care-for perennial, making it a great choice for novice gardeners. It does best when planted in spring or summer and requires regular watering, especially during drought periods. The plant can reach heights of up to four feet tall and spread up to two feet wide. Deadheading the flowers will help the plant grow more blooms and prevent it from producing seeds.

This wildflower is a great addition to any garden due to its bright yellow color and easy maintenance requirements. It attracts butterflies and other beneficial pollinators, making it an ideal choice for wildlife gardens, but it is such a beautiful cut flower, you can add it to any arrangement.

Helianthus angustifolius Information

FamilyAsteraceae
Common NamesSwamp Sunflower
Native to USA
AL, AR, DC, DE, FL, GA, IL, IN, KY, LA, MD, MO, MS, NC, NJ, NY, OH, OK, PA, SC, TN, TX, VA, WV
Size4 feet tall

Frequently Asked Questions

Is Helianthus angustifolius edible?

No, Helianthus angustifolius is not edible.

Is Helianthus angustifolius an invasive species of plant?

No, Helianthus angustifolius is not an invasive species of plant.