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PlantFiles: Swordleaf Inula, Slender-leaved Elecampagne, Elecampane, Narrow-leaved Inula
Inula ensifolia

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Inula (IN-yoo-luh) (Info)
Species: ensifolia (en-see-FOH-lee-uh) (Info)

Synonym:Aster ensifolius

One vendor has this plant for sale.

3 members have or want this plant for trade.

Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Spring/Early Summer

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
From seed; sow indoors before last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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to view:

By PerennialGirl
Thumbnail #1 of Inula ensifolia by PerennialGirl

By altagardener
Thumbnail #2 of Inula ensifolia by altagardener

By altagardener
Thumbnail #3 of Inula ensifolia by altagardener

By ryguy319
Thumbnail #4 of Inula ensifolia by ryguy319

No details have been posted.

Regional...

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

Owosso, Michigan
Munsonville, New Hampshire
Summerville, Oregon



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