Autumn Sneezeweed (Dogtooth Daisy / Helen's Flower / Bittersweet) Helenium autumnale Flower Seeds

Autumn Sneezeweed Seeds (Helenium autumnale) produce bright, daisy-like flowers in rich shades of yellow, gold, copper, and red. Also known as Dogtooth Daisy, Helen's Flower, or Bittersweet, this hardy perennial adds late-season color to your garden and attracts bees, butterflies, and other beneficial pollinators.

These non-GMO seeds thrive in full sun and moist, well-drained soil, making them a popular choice for cottage-style gardens, borders, and naturalized plantings. With long-lasting blooms appearing from late summer to fall, Autumn Sneezeweed provides extended garden interest and supports native wildlife.

Easy to grow and low maintenance, this plant is a favorite for both home gardeners and landscapers looking for dependable late-season color.

Features

• Vibrant, daisy-like flowers in autumn colors
• Attracts butterflies, bees, and other pollinators
• Long bloom time, late summer through fall
• Easy to grow from seed
• Perennial plant suitable for varied climates
• Non-GMO seeds for natural gardening

Specifications

• Seed Type: Autumn Sneezeweed (Helenium autumnale)
• Common Names: Dogtooth Daisy, Helen's Flower, Bittersweet
• Plant Type: Perennial (in Zones 3–8) / Annual (colder zones)
• Plant Height: 3 – 5 feet tall
• Zones: USDA Zones 3–8
• Light Requirement: Full Sun
• Soil Type: Moist, well-draining soil
• Germination Time: 14 – 21 days
• Days to Maturity: Blooms late summer to fall in first or second year
• GMO Status: Non-GMO
• Season: Spring or fall planting
• Planting Depth: Lightly press into soil, do not cover deeply
• Spacing: 12 – 18 inches apart
• Watering: Moderate, prefers consistent moisture
• Optimal Temperature: 65°F to 75°F (18°C to 24°C)
• Companion Plants: Black-eyed Susan, Coneflower, Goldenrod
• Bloom Time: Mid-summer to first frost
• Wildlife Support: Attracts butterflies, bees, and other pollinators
• Uses: Pollinator gardens, naturalized meadows, cut flowers
• Storage: Store in cool, dry place until planting

Planting Guide

• Soil Prep: Choose moist, well-drained soil in full sun.
• Sow Indoors: Start seeds indoors 6–8 weeks before last frost.
• Transplanting: Transplant outdoors after frost danger passes.
• Direct Sow: Alternatively, sow outdoors in late fall for natural stratification.
• Moisture: Keep soil consistently moist, especially during germination.
• Care: Deadhead spent blooms to encourage continuous flowering.