Where does Helenium grow?
William Smith
Updated on April 03, 2026
As a native plant in U.S. and southern Canada, helenium grows in moist, low-lying meadows or at the edges of damp woodlands. Horticulturists have taken the genus far beyond the simple yellow daisy-like flower of the native type, expanding the varieties to include every conceivable shade of gold, orange, red, and brown.
Where is Helenium native?
Helenium puberulum is a species of flowering plant in the daisy family known by the common name rosilla. It is native to California and Baja California, where it can be found in moist habitats such as riverbanks and meadows.
Is sneezeweed invasive?
bitter sneezeweed: Helenium amarum (Asterales: Asteraceae): Invasive Plant Atlas of the United States.
Why do they call it sneezeweed?
As the species name implies, Sneezeweed flowers in late summer or fall. The common name is based on the former use of its dried leaves in making snuff, inhaled to cause sneezing that would supposedly rid the body of evil spirits.
Do rabbits eat sneezeweed?
They are not favored by deer or rabbits because the bitter foliage is toxic if ingested in large quantities, and can cause skin irritation in susceptible people.
How tall does sneezeweed grow?
Sneezeweed stems can be slightly hairy and they can reach five feet or more in height. Sneezeweed can be cultivated in average to rich soils, needing moist to wet conditions and full sun. The plants often become so tall they need staking or other support.
How toxic is sneezeweed to livestock?
Both species start growth in eary spring and mature in the summer and early fall. How it Affects Livestock: About 2 pounds of sneezeweed leaves eaten daily by an animal for 20 days may produce poisoning and death. Some animals may die within a few days after the first symptoms appear.
Is sneezeweed poisonous to humans?
Common sneezeweed leaves, flowers, and seeds are poisonous to humans, if eaten in large quantities, causing gastric and intestinal irritation, which can become fatal. The plants also contain sesquiterpene lactones, which may cause a skin rash in some people.
How do you get rid of sneezeweed?
Excellent control can be achieved with 2, 4-D, which targets broadleaf plants and will not kill grasses. If low enough rates are used, it might spare white clover. Dicamba will also kill bitter sneezeweed; however, it will also kill beneficial broadleaf plants, such as clover.
Where is sneezeweed native to?
Missouri
Helenium autumnale, commonly called sneezeweed, is an erect, clump-forming, Missouri native perennial which occurs in moist soils along streams, ponds or ditches and in spring-fed meadows, prairie and wet open ground throughout most of the State (Steyermark).
How do you grow sneezeweed?
Plant sneezeweed seeds during spring in a location that receives full sunlight and has fertile, well-drained soil. Spread 2 inches of organic compost over the planting site, and use a tiller to incorporate it into the soil to increase drainage, water retention and fertility.
Is Sneezeweed deer resistant?
Plants grow 3-5′ tall with 3′ spread. Plants are pest resistant and unpalatable to deer and other herbivores. LANDSCAPE USES: This is a good choice for a Wildlife Garden, Prairie or Meadow. Plants are also used as Butterfly Nectar Plants or as part of a Grouping or Mass.
What is a sneezeweed plant called?
Sneezeweed is the common name for the plant species Helenium autumnale. The leaves were once dried and inhaled to induce sneezing and cast evil spirits from the body, which is how the plant came by its common name.
How long do sneezeweed plants live?
Sneezeweed is a perennial herb that grows to about 4 feet in height and produces flowers in the spring which can be yellow, red or bronze. It lives for four to five years, and requires little care to grow in most temperate environments.
How do you grow sneezeweed from seed?
Sneezeweed can be cultivated in average to rich soils, needing moist to wet conditions and full sun. The plants often become so tall they need staking or other support. Alternatively, they can be cut back in early summer (that is, late June or early July) to force shorter, more-branched flowering heads.
Do sneezeweed plants attract butterflies?
The flowers are also known to attract butterflies. Set out sneezeweed plants in spring when the soil begins to warm. They need rich, moist or wet soil in a location with full sun. Unless the soil is poor, the plants won’t need supplemental fertilizer.