Yarrow (Achillea ageratifolia)

Also known as: Greek Yarrow, Macedonian Yarrow

This plant has received the Royal Horticultural Society’s Award of Garden Merit for its successful cultivation in the UK.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Yarrow

Lifespan

Perennial

Plant Type

Herb

Plant Height

15 cm to 23 cm

Spread

30 cm

Leaf Color

Gray Silver

Flower Size

1-2 cm

Flower Color

White

Images of Yarrow

Quickly Identify Yarrow

Look for finely divided, fern-like leaves with a subtle silver-gray hue. The flowers are white, sometimes with a hint of yellow at the center, and grow in dense, flat-topped clusters.

Scientific Classification of Yarrow

Phylum

Vascular plants

Class

Dicotyledons

Order

Asterales

Family

Daisy

Genus

Yarrows

Species

Yarrow

Planting and Growing of Yarrow

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-70℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Yarrow?

For Achillea ageratifolia, water deeply but infrequently to promote strong root growth. Ensure the soil is moist but not waterlogged, letting the top inch of soil dry out between waterings.

What are the symptoms of an underwatered Yarrow? ›

What should I do if my Yarrow is not getting enough water? ›

What are the symptoms of an overwatered Yarrow? ›

How to save an overwatered Yarrow? ›

What Are the Sunlight Requirements for Yarrow?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Achillea ageratifolia thrives in full to partial sun, enjoying 6 to 8 hours of light. Ideal sunlight enhances vibrant blooms, healthy foliage, and robust root growth, promoting its peak aesthetic and structural vitality.

How much sun is ideal for Achillea ageratifolia? ›

What if full sun isn't available? ›

What are the benefits of ideal lighting? ›

What Is the Ideal Temperature Range for Yarrow?

Ideal Temperature: 60 ~ 70℉

Achillea ageratifolia thrives best in temperatures ranging from 60°F to 70°F. This optimal range ensures that the plant's physiological processes such as photosynthesis and respiration occur efficiently, promoting robust growth and healthy foliage.

What Soil is Best for Yarrow?

Soil type: Sandy soil, Loam, Calcareous soil

Soil PH: 6.5 ~ 7.5

Achillea ageratifolia thrives in well-drained soils, as it prevents water logging and ensures root aeration. This requirement is crucial for the plant's development because it significantly reduces the risk of root rot and enhances nutrient uptake. The plant prefers soils with moderate nutrient levels, which help maintain its robust growth without excessive foliage production. This balance benefits the plant by directing its energy towards blooming rather than unnecessary leaf growth. Achillea ageratifolia shows strong tolerance to alkaline conditions, particularly in calcareous soils. This ability allows the plant to thrive in areas where many other species might struggle, thus broadening its cultivation range.

How to Fertilize Yarrow?

Fertilizer type: Balanced

Achillea ageratifolia requires moderate fertilization. Use a balanced liquid fertilizer at half strength to ensure the plant gets sufficient nutrients without overdoing it. About 10-15 ml of liquid fertilizer diluted in one liter of water is recommended each time.

How to Prune Yarrow?

Pruning Time: Spring, Summer

Regularly check the plant for any dead or dying stems and leaves. Removing these will help prevent the spread of diseases and pests, as well as encourage healthier overall growth. Pruning allows you to shape the plant to keep it within its designated space. Be careful not to trim too much at once, which can stress the plant. Gradually shape it while focusing on maintaining its natural form. More About Pruning Techniques→

How to Propagate Yarrow plant?

Propagate Time: Spring, Early spring, Late spring

Ensure seeds are dry and stored correctly before sowing. Seed soaking overnight in water can improve germination rates for harder seeds.

Select healthy, disease-free stems for cuttings. Trim them to about four to six inches in length, ensuring that each cutting has at least two leaf nodes.

Dig up mature plants in the spring and separate the roots carefully. Plant each division into a prepared hole immediately to prevent drying out of roots.

More About Propagating Techniques→

How to Repot Yarrow plant?

Repotting frequency: Every 2-3 years

You should consider repotting Achillea ageratifolia when you notice root-bound signs or it's outgrowing its current pot. Spring and early summer are ideal times as the plant enters its active growth phase. Fresh growth and inability to retain water are also indicators.

Select a pot slightly larger than the current one with good drainage holes. This ensures the roots have enough space to grow and prevents waterlogging, reducing root rot risk. Opt for a material like terracotta that allows breathability.

Opt for a well-draining garden soil mix. Mix in some sand or perlite for better drainage, as Achillea ageratifolia prefers conditions that prevent root rot. A nutrient-rich composition encourages healthy growth and vibrant blooms.