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Choose your climateBased on winter hardiness only.

Perennial · Asteraceae family

Common yarrow

Achillea millefolium

Full sun 1 ft 3¾ in–2 ft 7½ in × 11¾ in–2 ft 11⅜ in Flowers June–September to −90 °F
Flower colors Click a color

In short a 10-second read

SunFull sun
Size1 ft 3¾ in–2 ft 7½ in
spacing 15 in
FlowersJune–September
PlantingMarch–May, September–November
WinterNo winter protection

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in dry to average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
dry to averagesandyloamygravelly

Watering

drought tolerant once establishedless when it rains

Frost

−90 °F
no winter protectiondies back in winter, regrows in spring

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in1 ft 3¾ in–2 ft 7½ inspread 11¾ in–2 ft 11⅜ in
1 ft 3¾ in–2 ft 7½ in× spread 11¾ in–2 ft 11⅜ in

Plant 15 in apart.

Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersPlantingFeeding
Now, in October: a good time for planting (container plant).
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

June–September · white, pink, yellow, orange, red or purple

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

container plant: March–May, September–November

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

March–May

Feeding

Nutrition.

Light
balanced fertilizercompost or mulch
JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

What you will see

Colonies of tiny insects on shoots and buds, sticky honeydew, curled leaves.

When to look

Spring and summer

How to protect

  1. Prevention
    • Check plants regularly from spring.
    • Encourage ladybirds, hoverflies, lacewings and parasitic wasps.
  2. By hand as soon as it appearsRub off colonies by hand or wash them off with a jet of water.
  3. Biological spring to summerRelease lacewing larvae, aphid midge larvae or ladybirds.
  4. Gentle spray in a heavy infestation, repeatPotassium soap (fatty acids) or plant oil.
  5. Chemical — only when nothing else helps only as a last resortA product authorized in your country against aphids.
Aphidspest · spring and summer

What you will see

Colonies of tiny insects on shoots and buds, sticky honeydew, curled leaves.

When to look

Spring and summer

How to protect

  1. Prevention
    • Check plants regularly from spring.
    • Encourage ladybirds, hoverflies, lacewings and parasitic wasps.
  2. By hand as soon as it appearsRub off colonies by hand or wash them off with a jet of water.
  3. Biological spring to summerRelease lacewing larvae, aphid midge larvae or ladybirds.
  4. Gentle spray in a heavy infestation, repeatPotassium soap (fatty acids) or plant oil.
  5. Chemical — only when nothing else helps only as a last resortA product authorized in your country against aphids.
More about this problem

What you will see

White powdery coating on leaves and stems; leaves curl and dry out.

When to look

From spring onwards

How to protect

  1. Prevention
    • Sunny, airy position; not in a still spot against a wall.
    • Do not overdo nitrogen (lush young leaves are more susceptible).
    • Water at the roots, not on the leaves.
  2. By hand as soon as the first symptoms appearQuickly cut out affected shoots and burn them or take them away (not to the compost).
  3. Gentle spray at the start of infectionSulphur or fatty acids (potassium soap) according to the label.
  4. Chemical — only when nothing else helps only in a heavy attackA product authorized in your country against powdery mildew.
Powdery mildewsdisease · from spring onwards

What you will see

White powdery coating on leaves and stems; leaves curl and dry out.

When to look

From spring onwards

How to protect

  1. Prevention
    • Sunny, airy position; not in a still spot against a wall.
    • Do not overdo nitrogen (lush young leaves are more susceptible).
    • Water at the roots, not on the leaves.
  2. By hand as soon as the first symptoms appearQuickly cut out affected shoots and burn them or take them away (not to the compost).
  3. Gentle spray at the start of infectionSulphur or fatty acids (potassium soap) according to the label.
  4. Chemical — only when nothing else helps only in a heavy attackA product authorized in your country against powdery mildew.
More about this problem
Sources (3)

Frequently asked

Quick answers.

When does common yarrow flower?

In June–September; the flowers are white, pink, yellow, orange, red or purple.

Does common yarrow tolerate shade?

No, it needs full sun.

How much space does common yarrow need?

At maturity 11¾ in–2 ft 11⅜ in wide and 1 ft 3¾ in–2 ft 7½ in tall; recommended spacing 15 in.

Aphids — what can you do?

Check plants regularly from spring. Rub off colonies by hand or wash them off with a jet of water.

Powdery mildews — what can you do?

Sunny, airy position; not in a still spot against a wall. Quickly cut out affected shoots and burn them or take them away (not to the compost).

Sources (18) Checked 24 October 2026

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