Achillea Species, Greek Yarrow

Achilleaageratifolia

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Achillea (ak-ih-LEE-a)
Species
ageratifolia (ad-jur-rat-ih-FOH-lee-uh)
Synonym
Anthemis ageratifolia
Ptarmica ageratifolia
Sun Exposure
Full Sun
Foliage
Evergreen
This plant is resistant to deer
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 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)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Alpines and Rock Gardens
Groundcovers
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Bronze
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
Flowers are good for drying and preserving
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
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; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Boise, Idaho

Petersburg, Indiana

Albuquerque, New Mexico

Santa Fe, New Mexico

Chiloquin, Oregon

Gold Hill, Oregon

Wilkes Barre, Pennsylvania

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Gardener's Notes:

2
positives
1
neutral
0
negative
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S
S
(Zone 8b) | February 2008 | neutral

This small alpine yarrow has received AGM in 1993.

P
(Zone 8b) | March 2005 | positive

This is another very low flowering achillea. pokerboy.

P
Oklahoma City, OK | June 2004 | positive

Great plant for the rock garden. Thrives in full sun in Oklahoma!

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Featured
Elegant Lynx Spider
(Oxyopes elegans)
Pine Warbler
(Setophaga pinus)