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.

Helenium autumnale

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