Bitter sneezeweed (Helenium amarum)

Bitter sneezeweed

Also known as: Bitterweed, Yellow sneezeweed, Yellow Bitterweed, Fine-leaved Sneezweed

Bitter sneezeweed (Helenium amarum) is an annual bush that will grow from 25 to 51 cm tall. It has a strong odor and bitter taste. A member of the daisy family, it blooms in late spring or summer with yellow flowers that have brown centers. Blossoms appear at the top of the stem and attract bees and butterflies. Bitter sneezeweed is commonly found growing in fields and prairies

Scientific classification

Species

Bitter sneezeweed (Helenium amarum)

Asters bellflowers fanflowers and allies

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Annual, Biennial, Perennial

Lifespan

Herb

Plant Type

Spring, Summer, Fall

Bloom Time

2.5 cm

Flower Size

Brown, Red

Fruit Color

Yellow

Flower Color

Green

Stem Color

Deciduous

Leaf type

20 - 35 ℃

Ideal Temperature

Images of Bitter sneezeweed

Distribution of Bitter sneezeweed

Distribution Map

Bitter sneezeweed, a plant with a native presence in North America, has been integrated into various ecosystems around the continent. It is also grown in other regions where it adapts well to local conditions. While its cultivation is prevalent, bitter sneezeweed is sometimes thought to be a concern in certain areas outside its native range, where it may have an impact on existing ecosystems.

Native

Cultivated

Invasive

Introduced

No species reported

Discover plant distribution and habitat

Gain insights into where plants thrive and how they adapt, helping you identify, cultivate, and protect them with essential information on habitats, distribution maps, and climate trends.

Download the App for Free

Habitat

Open ground, roadsides, open woods, fields, pastures, disturbed areas

Hemisphere Trend Curve

Northern

Sorthern

Culture

Garden Use

Bitter sneezeweed is a disease- and pest-resistant annual often found in wildflower and cottage gardens. It is used to add color and texture to gardens, and to attract bees, butterflies, and other pollinators. The slender leaves fill in empty areas, while its extended spring-to-fall blooming season ensures plenty of color.

Symbolism

Tenderness and tears

Get quick plant knowledge with a snap

Snap a photo for instant plant identification and learn about its name, symbolism, interesting facts, uses, and more.

Download the App for Free

Toxicity

All parts of bitter sneezeweed are toxic to cats and dogs. Cats may experience gastrointestinal upset, malaise, or discomfort, while dogs may develop drooling, nausea, vomiting, or diarrhea upon ingestion. Pet owners should monitor their pets and seek immediate veterinary care if poisoning is suspected to ensure prompt treatment.

Identify toxic plants in your garden

Find out what’s toxic and what’s safe for humans and pets.

Download the App for Free

Care Guide for Bitter sneezeweed

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Bitter sneezeweed thrives in dry conditions with high drought tolerance, requiring minimal care with weekly watering. This outdoor plant features a robust root system capable of surviving in well-draining soil, making it a strong choice for low-maintenance, drought-resistant gardening.

Fertilize: For optimal growth of bitter sneezeweed, apply high phosphorus fertilizers for improved blooming and root development. Use a balanced, slow-release formula every 6-8 weeks during the growing season. Young bitter sneezeweed requires frequent light feedings, while soil moisture must be maintained post-application.

Pruning: Bitter sneezeweed features yellow, daisy-like flowers and a bushy growth habit. Prune from early to late spring to enhance growth and airflow, removing dead or weak stems. Regular pruning prevents legginess, while mulching conserves moisture and suppresses weeds. Use clean, sharp tools for pruning.

Propagation: Bitter sneezeweed can be propagated by sowing dried seeds from mature heads. Use well-draining, fertile soil and maintain consistent moisture. Sow seeds shallowly, ensure full sunlight, and thin seedlings to promote growth and minimize disease risk.

Get tips and tricks for your plants.

Keep your plants happy and healthy with our guide to watering, lighting, feeding and more.

Download the App for Free

Images of Bitter sneezeweed

Distribution of Bitter sneezeweed

Culture

Toxicity

Care Guide for Bitter sneezeweed

PEOPLE ALSO ASK

Common Pests & Diseases