North America Native Plant

Southeastern Sunflower

Botanical name: Helianthus agrestis

USDA symbol: HEAG

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Southeastern Sunflower: A Hidden Gem for Wet Gardens Meet the southeastern sunflower (Helianthus agrestis), a charming native annual that’s perfectly suited for gardeners dealing with soggy spots in their landscape. While it may not have the towering presence of its famous cousin, the common sunflower, this petite beauty brings its ...

Southeastern Sunflower: A Hidden Gem for Wet Gardens

Meet the southeastern sunflower (Helianthus agrestis), a charming native annual that’s perfectly suited for gardeners dealing with soggy spots in their landscape. While it may not have the towering presence of its famous cousin, the common sunflower, this petite beauty brings its own special magic to native plant gardens across the Southeast.

Where You’ll Find This Native Beauty

The southeastern sunflower is a true southern native, calling Florida and Georgia home. As a plant species native to the lower 48 states, it has spent centuries adapting to the unique conditions of the southeastern coastal regions, making it perfectly suited for local growing conditions.

What Makes It Special

Don’t let its modest size fool you – this annual forb packs a punch when it comes to garden appeal. The southeastern sunflower produces cheerful yellow, daisy-like blooms that light up wet areas from late summer through fall. As an annual, it completes its entire life cycle in one growing season, but don’t worry about replanting every year – this little sunflower is quite good at reseeding itself!

Perfect for Challenging Spots

Here’s where the southeastern sunflower really shines: it’s classified as a facultative wetland plant in the Atlantic and Gulf Coastal Plain region. This means it usually thrives in wetlands but can also handle drier conditions. Got a spot in your yard that stays soggy after rain? This could be your perfect plant!

Garden Design Ideas

The southeastern sunflower works beautifully in:

  • Native wildflower meadows
  • Rain gardens and bioswales
  • Wet prairie restorations
  • Naturalized areas near ponds or streams
  • Wildlife gardens focused on native plants

Growing Conditions and Care

This adaptable native thrives in USDA hardiness zones 8-10, which perfectly matches its natural southeastern range. Here’s what your southeastern sunflower needs to flourish:

  • Sunlight: Full sun to partial shade
  • Soil: Moist to wet soils; tolerates periodic flooding
  • Water: Consistently moist conditions preferred
  • Soil type: Adaptable to various soil types as long as moisture needs are met

Planting and Care Tips

Growing southeastern sunflower is refreshingly straightforward:

  • Direct sow seeds in spring after the last frost
  • Scatter seeds in prepared areas and lightly cover
  • Keep soil consistently moist during germination
  • Once established, this tough native requires minimal care
  • Allow plants to go to seed for natural reseeding
  • No fertilization needed – it’s adapted to natural soil conditions

Wildlife and Pollinator Benefits

Like other members of the sunflower family, the southeastern sunflower is a magnet for beneficial insects. Its blooms attract native bees, butterflies, and other pollinators, while the seeds provide food for birds. By choosing this native over non-native alternatives, you’re supporting the local ecosystem that has co-evolved with this plant for thousands of years.

Why Choose Southeastern Sunflower?

If you’re dealing with wet areas in your landscape and want to support native wildlife, the southeastern sunflower is an excellent choice. It’s low-maintenance, self-seeding, and provides both beauty and ecological benefits. Plus, there’s something deeply satisfying about growing a plant that has called your region home long before any of us arrived on the scene.

While it may not be the showiest plant in your garden, the southeastern sunflower offers that perfect combination of native authenticity, ecological value, and easy-care growing that makes it a winner for sustainable landscaping in the Southeast.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Southeastern Sunflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Helianthus L. - sunflower

Species

Helianthus agrestis Pollard - southeastern sunflower

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA