Helenium, Dogtooth Daisy, Helen's Flower, Sneezeweed 'Mardi Gras'

Helenium

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Helenium (hel-EE-nee-um)
Synonym
Spacing
24-36 in. (60-90 cm)
Sun Exposure
18-24 in. (45-60 cm)
Danger
USDA Zone 4a: to -34.4 °C (-30 °F)
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)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Fruit Shape
All parts of plant are poisonous if ingested
Fruit Size
Orange
Red-Orange
Gold (yellow-orange)
Pale Yellow
Fruit Colors
Mid Summer
Late Summer/Early Fall
Growing Habit
Herbaceous
Days to Maturity
Seed Type
By dividing the rootball
Disease Resistance
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Perennials
Where to Grow
Other details
Propagation Methods
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Patented
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

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

Citrus Heights, California

San Leandro, California

Denver, Colorado

Glastonbury, Connecticut

Chicago, Illinois

Saint Charles, Illinois

Greenville, Indiana

South Berwick, Maine

Dearborn Heights, Michigan

Bates City, Missouri

Long Branch, New Jersey

Mount Laurel, New Jersey

Himrod, New York

Dunn, North Carolina

Haviland, Ohio

Enid, Oklahoma

Murfreesboro, Tennessee

Nashville, Tennessee

Gilmer, Texas

Lexington, Virginia

Bainbridge Island, Washington

Ellsworth, Wisconsin

Menasha, Wisconsin

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Gardener's Notes:

3
positives
1
neutral
0
negative
Sort By:
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M
Dunn, NC (Zone 8a) | August 2014 | positive

The rust-and-gold flowers of this sneezeweed are delightfully autumnal, and I can't imagine my fall border without it now. Mine began blo...Read More

T
T
Long Branch, NJ (Zone 7a) | March 2010 | positive

Tall plant producing dozens of multi-colored flowers, that seems to party at the streets of New Orleans as the name suggest.
Fast ...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Tall 36-40" - Plant 18" apart. zone 4-8. Produces a riot of multicolored blooms for six to eight weeks in summer, from late June to early...Read More

B
Appleton, WI (Zone 5a) | December 2005 | positive

Mine has not been as nearly as tall as described : 2 - 2 1/2' tall. The earliest blooming of my varieties. Nice compact plant.

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