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PlantFiles: Leafy Arnica, European Arnica, Leopard's Bane, Mountain Tobacco, Mountain Snuff, Sneezewort
Arnica montana

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Arnica (ARN-ee-kuh) (Info)
Species: montana (MON-tah-nuh) (Info)

2 vendors have this plant for sale.

18 members have or want this plant for trade.

Category:
Perennials

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

Spacing:
12-15 in. (30-38 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)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Gold (Yellow-Orange)
Bright Yellow

Bloom Time:
Mid Summer

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

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:
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible

Click thumbnail
to view:

By fhiggins
Thumbnail #1 of Arnica montana by fhiggins

By Gabrielle
Thumbnail #2 of Arnica montana by Gabrielle

By growin
Thumbnail #3 of Arnica montana by growin

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral weedsfree On May 22, 2013, weedsfree from Magna, UT (Zone 7a) wrote:

My first year seedlings seemed to be semi-evergreen in below zero temperatures for the winter of 2012-13. This summer they have doubled in size. I gave it a neutral because they like to be a little on the moist soil side.

Positive Gabrielle On Jan 24, 2006, Gabrielle from (Zone 5a) wrote:

As the pictures show, Arnica makes a pretty flower. Stratification aids germination of seeds.

Regional...

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

Citrus Heights, California
Magna, Utah



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