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Achillea Species, Sneezewort, Sneezeweed, Brideflower

Achilleaptarmica

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Achillea ptarmica by trilian15
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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
Synonym
Achillea dracunculoides
Achillea fragilis
Achillea ircutiana
Achillea lenensis
Achillea leucanthema
Sun Exposure
Full Sun
Foliage
Herbaceous
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)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Bloom Color
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details
May be a noxious weed or invasive
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
Non-patented
Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Seward, Alaska

Boise, Idaho

Margate City, New Jersey

Brooklyn, New York

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4 members have or want this plant for trade

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Gardener's Notes:

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2
positives
1
neutral
0
negative
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M
M
mybrigadoon
Devon, PA | November 2009 | positive

I have grown this, 'the 'pearl' cultivar, in Margate, NJ, it has been wonderful, blooms mid summer to Sept., and is not invasive at all. ...Read More

P
P
pokerboy
(Zone 8b) | March 2005 | neutral

This is the parent plant of the cultivar " The Pearl". pokerboy.

W
W
Weezingreens
Seward, AK (Zone 3b) | August 2002 | positive

Achillea ptarmica grows quite well in our cool climate in Alaska. It actually prefers poor soil. Though it's blooms are quite beautiful, ...Read More

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