Photo by Melody

PlantFiles: Elecampagne, Alant, Elfwort, Elf Dock, Scabwort, Wild Sunflower, Elecampane
Inula helenium 'Goliath'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Inula (IN-yoo-luh) (Info)
Species: helenium (hel-EE-nee-um) (Info)
Cultivar: Goliath

One member has or wants this plant for trade.

Category:
Perennials

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
36-48 in. (90-120 cm)

Hardiness:
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)

Sun Exposure:
Full Sun

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings
This plant is resistant to deer

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
From seed; sow indoors before last frost

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:

By bonehead
Thumbnail #1 of Inula helenium by bonehead

By PermaCycle
Thumbnail #2 of Inula helenium by PermaCycle

Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral cinemike On Jun 22, 2014, cinemike from CREZIERES
France (Zone 8a) wrote:

Stately plant if slightly coarse in the floral department. The roots, it seems, can be used to produce a substance that kills the MRSA bacterium.
No problem after you get it growing.

Positive PermaCycle On May 22, 2012, PermaCycle from Indianapolis, IN (Zone 5b) wrote:

Elecampane is a beautiful garden specimen with large spacious, light green pointed-tip leaves that does not appear to attract pests. Requires plenty of room to grow vertically, however, and probably about 5-6 feet laterally. Now reaching maturity in its 3rd year, I planted it on the northeast side of the garden next to a 4x4 about 7-ft tall in case staking was required. The bumblebees have adopted both the 4x4 and the elecampane. It's almost grown above the 4x4 and it's only May!

Positive bonehead On Nov 22, 2009, bonehead from Cedarhome, WA (Zone 8b) wrote:

Very large velvety pointed leaves, cheerful yellow flowers in July. This plant gets about 7' tall for me, needs plenty of room. Herb used for respiratory problems, as antibacterial, and to aide digestion.

Regional...

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

Indianapolis, Indiana
Barbourville, Kentucky
Saint Joseph, Missouri
Stanwood, Washington



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