Photo by Melody

PlantFiles: Sneezewort, Sneezeweed, Brideflower
Achillea ptarmica 'The Pearl'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Achillea (ak-ih-LEE-a) (Info)
Species: ptarmica (TAR-mik-uh) (Info)
Cultivar: The Pearl

2 vendors have this plant for sale.

11 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 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

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater

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

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

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Thumbnail #1 of Achillea ptarmica by Weezingreens

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Thumbnail #6 of Achillea ptarmica by Gabrielle

Profile:

7 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive patti525 On Sep 28, 2011, patti525 from Westwood, NJ wrote:

Great workhorse in my NJ sunny garden, blooms all summer! I planted it at the beginning of summer last year, and it came back bigger and better this year--would definitely recommend. Doesn't seem to perform too well in partial shade--loves hot and sunny!

Positive francesseth On Jun 23, 2008, francesseth from Evanston, IL (Zone 5a) wrote:

I bought this plant last year as an annual to 'fill out pots nicely.' This spring it came up in two different pots, even with our terrible winter in Chicago. I am planning to divide it and try it in several locations.
Francesseth

Positive straea On May 25, 2008, straea from Somerville, MA (Zone 6b) wrote:

Words cannot describe how much I have come to love this beautiful, airy little unusual yarrow (other gardeners often express surprise at being told it is a yarrow). Last year, I planted it in the windiest and driest part of a windy, poor-soil, hot, sloped garden bed and it stood up beautifully, blooming freely until frost. Additionally, in this particular site's conditions, it hasn't volunteered once, which is an added bonus given other gardeners' complaints!

Neutral berrygirl On Mar 18, 2007, berrygirl from Braselton, GA (Zone 7b) wrote:

Medium 2' - Plant 14" apart. Larger, double white pearl shaped flowers.

Very similar in appearance to Baby's Breath - open and airy. Likes a well drained soil. Spreads to fill in.

Positive whitehorserayne On Aug 21, 2006, whitehorserayne from Whitehorse
Canada wrote:

A friend gave me two of these plants last year, this year they turned in to a mass! I live in the Yukon in Canada, Zone 3, and apparently they are very happy here.

Positive Gabrielle On Jan 16, 2006, Gabrielle from (Zone 5a) wrote:

I've read that this is not supposed to spread as much as other yarrows, but it does like to spread. I have to constantly pull it back. It would likely be better behaved if it was in poorer soil. It does bloom over a long span of time. When it starts looking bad, I cut it back, and it grows back and reblooms.

I have read that it is hardy in zones 2-10. Light aids germination of seeds.

Neutral dceldridge On Jun 23, 2005, dceldridge from Shepherdstown, WV (Zone 6b) wrote:

It does make a good cutting for filling in an arrangement. It grows easily in eastern WV and spreads very readily (perhaps a negative if you are not careful). I do not water it and it grows in a clay soil.

Positive ceceoh On May 12, 2005, ceceoh from Columbus, OH (Zone 6a) wrote:

This plant was a volunteer in my garden last year, and it was a beauty, growing in the midst of my obedient plants and rubeckia. Those little white flowers just glow!

I looked for it this year and have found one sprout coming up, which isn't too bad considering how bad a spreader it is supposed to be.

Positive lmelling On Dec 23, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

A popular and easy to grow perennial, which can be of great value to those who dry flowers for arrangements. The plant has small, white, double flowers in profusion on long, 2'-3' stems that bloom throughout the summer.

To sow from seed: sow in late spring to flower the following year. It can spread rapidly, so give it space in the middle or back of a border. It likes full sun or partial shade in hotter areas and well-drained soil. Suceptible to mildew and may need to be treated during the summer.

To dry: cut when the flowers are well open but before the oldest flowes on the stem start to show signs of browning. Rain can damage the quality of the flowers, so cut back poor quality stems and wait for a second flush. Hang upside down in a warm (not hot) place with good air circulation. Drying too fast at high temps can cause browning, but drying too slowly may result in color loss on the stems and leaves and give a less fresh appearance.

Regional...

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

Juneau, Alaska
Seward, Alaska
Denver, Colorado
Seymour, Connecticut
Evanston, Illinois
Waukegan, Illinois
Davenport, Iowa
Barbourville, Kentucky
Somerville, Massachusetts
Stephenson, Michigan
Red Wing, Minnesota
Westwood, New Jersey
Clinton Corners, New York
Columbus, Ohio
Norristown, Pennsylvania
Kalama, Washington
Shepherdstown, West Virginia



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