Yarrow
Achillea atrata

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Achillea (ak-ih-LEE-a) (Info)
Species: atrata (at-RAH-tuh) (Info)

Category:

Perennials

Height:

6-12 in. (15-30 cm)

Spacing:

12-15 in. (30-38 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:

N/A

Bloom Color:

White/Near White

Bloom Time:

Mid Summer

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

Flowers are good for cutting

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 herbaceous stem cuttings

From seed; direct sow after last frost

Seed Collecting:

Bag seedheads to capture ripening seed

Allow seedheads to dry on plants; remove and collect seeds

Regional

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

Fulton, Texas

Gardeners' Notes:

1
positive
1
neutral
0
negatives
RatingContent
Positive

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

This particular yarrow is quite short considering the height of others in the genus. pokerboy.

Neutral

On Nov 22, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This plant has mats of dark-green leaves. Makes a great groundcover. Flower heads are brown-rimmed white buttons. It is not particular about soil conditions but does prefer semi-shady sites.