Achillea ageratifolia

RHS Plant Profile

Balkan yarrow

RHS 1999

Other common names

Greek yarrow

Alpine Rockery Herbaceous Perennial

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A tufted perennial making a compact mound to 20cm tall, with narrow, grey-hairy leaves and solitary flower-heads 2.5cm wide with white rays

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.1-0.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Asteraceae
Native to GB/Ireland: No
Foliage: Semi evergreen
Habit: Bushy
Genus: Achillea can be mat-forming or upright perennials, mostly herbaceous, with sometimes aromatic, pinnately divided or simple and toothed leaves and flattened clusters of small, daisy-like flower-heads
Name Status: Correct
Plant Range: Greece

How to Grow

Cultivation

Tolerant of a range of soils (including poor, dry soil) and conditions but best grown in well-drained soil in an open site in full sun

Propagation

Propagate by seed in situ or divide in spring

Suggested planting locations and garden types

Coastal
Patio and container plants
City and courtyard gardens
Gravel garden
Cottage and informal garden
Wildlife gardens
Cut flowers

Pruning

Cut down flowered stems when finished

Pests

Generally pest-free but aphids may be a problem

Diseases

May be susceptible to powdery mildews