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ACHILLEA tomentosa

Image of Achillea tomentosa

James H. Schutte

Family

Asteraceae

Botanical Name

ACHILLEA tomentosa

Plant Common Name

Wooly Yarrow

General Description

This Achillea species, also known as Wooly yarrow, is a small hardy perennial from southern Europe and western Asia with distinctive gray-green leaves that are lined with so many chubby leaflets that they look almost wooly. The leaves spread close to the ground in a thick, mussy mat from which flower stems rise, topped with a dense cluster of small yellow flowers. Bloom starts in early summer and continues to early fall.

Wooly yarrow has several uses:it can make a thick, flowering groundcover, it can provide summer color in a mixed bed, especially planted in a swath of three or four plants, or it can provide contrasting leaf color and texture among mostly green neighbors. It prefers full sun, well-drained soil, and good moisture. Deadheading encourages more flowering.

Characteristics

  • AHS Heat Zone

    8 - 1

  • USDA Hardiness Zone

    3 - 8

  • Sunset Zone

    A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

  • Plant Type

    Perennial

  • Sun Exposure

    Full Sun, Partial Sun, Partial Shade

  • Height

    10"-14" / 25.4cm - 35.6cm (12)

  • Width

    16"-20" / 40.6cm - 50.8cm (18)

  • Bloom Time

    Early Summer, Summer, Late Summer, Early Fall

  • Native To

    North America, Europe, Russia/Siberia, Asia, Japan

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Well Drained

  • Soil type

    Clay, Loam, Sand

  • Growth Rate

    Medium

  • Water Requirements

    Average Water

  • Habit

    Clump-Forming

  • Seasonal Interest

    Summer, Fall

Ornamental Features

  • Flower Interest

    Showy

  • Flower Color

    White, Yellow, Red, Orange, Pink, Rose, Silver

  • Foliage Color (Spring)

    Green, Gray Green, Silver

  • Foliage Color (Summer)

    Green, Gray Green, Silver

  • Foliage Color (Fall)

    Green, Gray Green, Silver

  • Fragrant Flowers

    Yes

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Flower Petal Number

    Single

  • Repeat Bloomer

    Yes

  • Showy Fruit

    No

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Matte

  • Evergreen

    No

  • Showy Bark

    No

Special Characteristics

  • Usage

    Bedding Plant, Cutflower, Feature Plant, Groundcover, Mixed Border, Wildflower

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Butterflies

  • Self-Sowing

    No