Sneezeweed, Helen's Flower, Dogtooth Daisy
Helenium 'Double Trouble'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Helenium (hel-EE-nee-um) (Info)
Cultivar: Double Trouble
Additional cultivar information:(PP18206)
Hybridized by Damen
Registered or introduced: 2006

Category:

Perennials

Height:

24-36 in. (60-90 cm)

Spacing:

15-18 in. (38-45 cm)

Hardiness:

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Bright Yellow

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

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:

Patented

Propagation Methods:

By dividing the rootball

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Kasota, Minnesota

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Mar 31, 2007, bigcityal from Menasha, WI (Zone 5a) wrote:

Typical helenium growth habit. Flowers are more full, but a bit smaller I feel.