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Woolly Yarrow Achillea tomentosa

Phonetic Spelling
ak-ih-LEE-ah toh-men-TOH-sah
This plant is an invasive species in North Carolina
Description

Woolly Yarrow is a low growing species of Yarrow and makes an excellent choice for use as a groundcover.  This semi-evergreen perennial does well in dry, sandy soils, and will grow in others soils, providing good drainage is provided.  However, it is not tolerant of heat and humidity.  The plants will deteriorate as the temperatures and humidity rise.  Not recommended for the southern USA.

The yellow flowers bloom in dense clusters from spring into summer.  To promote additional blooming, deadhead once the flowers are no longer blooming.  Cutting the plant down to the basal leaves after flowering may also encourage additional blooms.  That will also keep a neater appearance in your garden.

It is considered to be invasive, division will help to control the spread.  It is easily accomplished and recommended every 2 to 4 years for control.

Insects, Diseases and Other Plant Problems: Susceptible to stem not, powdery mildew and rust.  

 

 

See this plant in the following landscape:
Cultivars / Varieties:
  • 'Aurea'
    Long lasting cut flower. Deeper yellow.
  • 'Golden Fleece'
    Compact form
  • 'Goldie'
    Flowers early
  • 'King Edward'
    Grows to only 1 1/2" tall.
  • 'Lemon'
    3-4" tall.
'Aurea', 'Golden Fleece', 'Goldie', 'King Edward', 'Lemon'
Tags:
#evergreen#yellow#invasive#full sun#perennial#yellow flowers#cut flowers#rabbit resistant#fast growing#cpp#yarrow#full sun flowers#mat#perennial flowers#deer resistant#herbaceous perennial#groundcover#rocky soils tolerant#dry soils tolerant
 
Cultivars / Varieties:
  • 'Aurea'
    Long lasting cut flower. Deeper yellow.
  • 'Golden Fleece'
    Compact form
  • 'Goldie'
    Flowers early
  • 'King Edward'
    Grows to only 1 1/2" tall.
  • 'Lemon'
    3-4" tall.
'Aurea', 'Golden Fleece', 'Goldie', 'King Edward', 'Lemon'
Tags:
#evergreen#yellow#invasive#full sun#perennial#yellow flowers#cut flowers#rabbit resistant#fast growing#cpp#yarrow#full sun flowers#mat#perennial flowers#deer resistant#herbaceous perennial#groundcover#rocky soils tolerant#dry soils tolerant
  • Attributes:
    Genus:
    Achillea
    Species:
    tomentosa
    Family:
    Asteraceae
    Uses (Ethnobotany):
    Good cut flower
    Life Cycle:
    Perennial
    Recommended Propagation Strategy:
    Division
    Seed
    Stem Cutting
    Country Or Region Of Origin:
    Eurasia
    Wildlife Value:
    Attracts butterflies and bees.
    Play Value:
    Attractive Flowers
    Attracts Pollinators
    Easy to Grow
    Textural
    Particularly Resistant To (Insects/Diseases/Other Problems):
    Drought
    Dimensions:
    Height: 0 ft. 6 in. - 0 ft. 8 in.
    Width: 0 ft. 8 in. - 1 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Ground Cover
    Perennial
    Woody Plant Leaf Characteristics:
    Semi-evergreen
    Habit/Form:
    Horizontal
    Spreading
    Growth Rate:
    Slow
    Maintenance:
    Low
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Soil Texture:
    Loam (Silt)
    Sand
    Soil pH:
    Acid (<6.0)
    Alkaline (>8.0)
    Neutral (6.0-8.0)
    Soil Drainage:
    Good Drainage
    Occasionally Dry
    Available Space To Plant:
    Less than 12 inches
    NC Region:
    Mountains
    Piedmont
    USDA Plant Hardiness Zone:
    3a, 3b, 4b, 4a, 5a, 5b, 6a, 6b, 7b, 7a
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Inflorescence:
    Corymb
    Flower Value To Gardener:
    Good Cut
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Shape:
    Tubular
    Flower Size:
    < 1 inch
    Flower Description:
    Small cluster of yellow flowers
  • Leaves:
    Woody Plant Leaf Characteristics:
    Semi-evergreen
    Leaf Color:
    Gray/Silver
    Green
    Leaf Value To Gardener:
    Fragrant
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Leaf Margin:
    Serrate
    Hairs Present:
    Yes
    Leaf Length:
    1-3 inches
    Leaf Description:
    2 in. long pungent, grayish foliage; each leaf is twice-divided; hairy on both sides
  • Stem:
    Stem Color:
    Green
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Container
    Patio
    Slope/Bank
    Small Space
    Walkways
    Landscape Theme:
    Butterfly Garden
    Drought Tolerant Garden
    Pollinator Garden
    Rock Garden
    Design Feature:
    Accent
    Border
    Mass Planting
    Small groups
    Specimen
    Attracts:
    Bees
    Butterflies
    Resistance To Challenges:
    Drought
    Problems:
    Invasive Species