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Helenium Species, Purple Sneezeweed, Purplehead Sneezeweed

Heleniumflexuosum

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Helenium flexuosum by Jeff_Beck
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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Helenium (hel-EE-nee-um)
Info
Species
flexuosum (fleks-yoo-OH-sum)
Info
Synonym
Helenium nudiflorum
Sun Exposure
Full Sun
Foliage
Herbaceous
This plant is resistant to deer
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Dark Purple/Black
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Joplin, Missouri

Santa Fe, Texas

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4 members have or want this plant for trade

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Gardener's Notes:

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T
T
trois
Santa Fe, TX (Zone 9b) | May 2005 | positive

I found only a single specimen of this plant with red petals instead of yellow. I hope to be able to collect seeds. It is a striking dif...Read More

T
T
Terry
Murfreesboro, TN (Zone 7a) | January 2003 | neutral

The dark magenta/purple conehead makes it easy to distinguish this plant from other "yellow coneflowers" such as Rudbeckia.

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