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Is sneezeweed invasive?

Is sneezeweed invasive?

bitter sneezeweed: Helenium amarum (Asterales: Asteraceae): Invasive Plant Atlas of the United States.

Is sneezeweed an annual or perennial?

Common sneezeweed is a perennial plant in the daisy or aster family (Asteraceae). Its abundant yellow blooms can be found in late summer to fall, often attracting bees and butterflies.

What is sneezeweed good for?

Clumps of sneezeweed make excellent additions to wildlife gardens where they help support insect populations. The Xerces Society for Invertebrate Conservation recommends planting sneezeweed to help support bees. The flowers are also known to attract butterflies.

How do you take care of sneezeweed?

Despite its tolerance for dry weather, never allow the soil to dry out as this will result in wilting completely. Ensure that you water your sneezeweed at least twice a week, and you create conditions for the soil to retain maximum moisture. Take special care to water during hotter and more humid months of the year.

Should you deadhead sneezeweed?

They prefer rich, moist soils and struggle in dry soils. Regular watering matters for profuse blossoms! Deadheading will extend the flowering season. Once flowering has ceased and the plant has died back the stems should be cut down.

Do Helenium come back every year?

Divide congested helenium clumps every few years, in spring or autumn. Heleniums die back over winter, so cut them back after flowering.

Do you cut back sneezeweed in the fall?

Sneezeweed (Helenium autumnale) Doesn’t finish blooming until mid-fall. The foliage can be cut back and removed when it’s done blooming.

Do Heleniums spread?

Heleniums are generally pest-free but can be prone to leaf spot. Remove affected leaves to stop the spread.

Should you cut back Heleniums?

Did you know? Heleniums generally need staking to keep them upright, but to avoid this you can give them the ‘Chelsea chop’, in May, or cut them back to 30cm (12in) in mid-July. This delays flowering slightly but keeps plants more compact so you can enjoy the flowers on neat, unstaked plants.

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