Asteraceae
Autumn sneezeweed
Helenium autumnale
Synonyms
Helenia autumnalis
Heleniastrum autumnale
Other Common Names
autumn Helen's flower, dogtooth-daisy
Plant Type
Herbaceous Wildflower
Life Cycle
Perennial
Typical Size
3-5 ft. tall
2-3 ft. wide
Tolerant of
Deer, Occasional Flooding
Inolerant of
Dry Soil
Propagation
By seed, By division
Plant Planting Notes
1-2 foot spacing.
Plants/Diseases
Foliage is susceptible to powdery mildew, leaf spot, and rust.
Wildlife Benefits
Nectar/pollen source for pollinating insects
Leaves
The simple, alternate leaves are lanceolate to oblong with dentate margins. Approximately 2-5 inches long. Moderate to densely hairy.
Flowers
Bright golden yellow flower heads made up of 8-21 three-lobed rays and 200-400 discs. Approximately 1-3 inches wide.
Fruit
Cypselae 1-2 mm, sparsely to moderately hairy.
Toxicity
Considerate moderately toxic, but only if ingested in large quantities. May cause contact dermatitis in some people.

USDA Hardiness Zones
3, 4, 5, 6, 7, 8
Light Exposure
Full Sun, Part Sun/Shade
Soil Moisture
Moist
Soil Drainage
Poorly Drained
Native in South Carolina?
Yes
Plant Native Habitat
Roadsides, fields, along streams, ditches, seepage areas, around ponds and lakes.
Global Conservation Status (NatureServe)
Secure (G5)
Federal Conservation Status (USFWS)
Not Listed
Distribution Notes
Common throughout South Carolina