Photo by Melody

PlantFiles: Northern Yarrow
Achillea borealis

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Achillea (ak-ih-LEE-a) (Info)
Species: borealis (bor-ee-AL-is) (Info)

Synonym:Achillea millefolium var. borealis

One member has or wants this plant for trade.

Alpines and Rock Gardens

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

6-9 in. (15-22 cm)

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)

Sun Exposure:
Full Sun


Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

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:

Propagation Methods:
By dividing the rootball
From seed; direct sow outdoors in fall

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

Click thumbnail
to view:

By Weezingreens
Thumbnail #1 of Achillea borealis by Weezingreens

By Weezingreens
Thumbnail #2 of Achillea borealis by Weezingreens

By Weezingreens
Thumbnail #3 of Achillea borealis by Weezingreens

By ecrane3
Thumbnail #4 of Achillea borealis by ecrane3


1 positive
1 neutral
No negatives

Gardeners' Notes:

Neutral pokerboy On Mar 17, 2005, pokerboy from Canberra
Australia (Zone 8b) wrote:

This yarrow has more of a greyer tinge on its folisge than other yarrows. pokerboy.

Positive Weezingreens On Jan 20, 2003, Weezingreens from Seward, AK (Zone 3b) wrote:

Achillea borealis grows wild all along the roadsides and open meadows throughout most of Alaska. The typically white flat flower heads may turn slightly pink on some plants. The leaves are ferny or carrot-top-like and have a distinctive, yet not unpleasant odor. It is considered an herb, and has been used in the treatment of fevers, colds, and sore throats.


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

Seward, Alaska

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