Achillea millefolium

Source: OSU Department of Horticulture

Botanical Name: Achillea millefolium
Common Name: Yarrow
Family: Asteraceae
Type of Plant: Herbaceous Perennial
Habit: Upright with a basal rosette of leaves
Growth Rate: 
10-Year Height: < 1'
Mature Height: up to 3' stems
Leaves: Green to grayish green, usually feathery and finely divided.
Flowers: White, yellow, pink, red. Flat-topped flower clusters on 2-3' stems.
Fruit: 
Buds/New Growth: 
Stem/Bark: 
Culture: Full sun
Pruning: Cut back after bloom.
Pests/Diseases: 
Landscape Uses: Native garden, cut flowers
Additional Information: 
Google images of Achillea millefolium