Autumn Sneezeweed

SKU: FL3830

As a garden perennial it is an easy and dependable late summer bloomer, and an important food source for end-of-the-season pollinators such as bumble bees preparing for over wintering. Read More

Exposure Full-sun

Average Seeds Per Gram 4017 ?

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Product Details

Helenium autumnale. Its native range extends from Northwest Territories to California and Florida. As a garden perennial it is an easy and dependable late summer bloomer, and an important food source for end-of-the-season pollinators such as bumble bees preparing for over wintering. Autumn Sneezeweed seeds produce plants that grow to 130cm (51") tall, each bearing as many as 100 bright yellow flowers in a branched array. Keep spent flowers picked, and don't let the soil dry out completely during the growing season. Helenium looks sensational mixed with the shocking red flowers of Crocosmia. Support unruly stems with twigs stuck into the soil, or with flower support netting.

The vibrant yellow flowers attract insect pollinators that insectivorous birds feed on.

Perennial.

Quick Facts:

Perennial
Up to 100 flowers on a plant
Important pollinator
Blooms late summer to fall

All About Autumn Sneezeweed

Latin

Latin
Helenium autumnale
Family: Asteraceae

Difficulty

Difficulty
Easy

Season & Zone

Season & Zone
Exposure: Full sun
Zone: Hardy to Zone 3

Timing

Timing
Sow in doors 8-10 weeks before planting out in early spring when the soil is cool and light frost is still possible. Or direct sow in early spring or early autumn. The ideal temperature for germination is 21°C (70°F). Seeds will sprout in 7-10 days.

Starting

Starting
Barely cover the seeds with soil. Transplant or thin to stand 60-90cm (24-36″) apart.

Growing

Growing
Stake these tall growing plants in windy gardens. Ordinary, well-drained soil will do, but Helenium prefers rich soil at a pH of 5.5 to 7.0. Don’t let the soil dry out completely during the growing season, and deadhead regularly once flowering begins. Divide clumps every three to four years to maintain vigour. Division works best in the spring north of Zone 7, and in the fall in southern climes.

How to Grow Helenium

Step 1

Timing

Sow indoors 8-10 weeks before planting out in early spring when the soil is cool and light frost is still possible. Or direct sow in early spring or early autumn. The ideal temperature for germination is 21°C (70°F). Seeds will sprout in 7-10 days.

Step 2

Starting

Barely cover the seeds with soil. Transplant or thin to stand 60-90cm (24-36″) apart.

Step 3

Growing

Ideal pH: 5.5 - 7.0.

Stake these tall growing plants in windy gardens. Ordinary, well-drained soil will do, but Helenium prefers rich soil. Don’t let the soil dry out completely during the growing season, and deadhead regularly once flowering begins. Divide clumps every three to four years to maintain vigour. Division works best in the spring north of Zone 7, and in the fall in southern climes.