About

Achillea 'Credo' is an upright perennial that may have a shorter lifespan. It features finely dissected, greyish-green leaves and produces flat clusters of yellow blooms that transition to a creamy hue as they mature.

About the genus

Achillea consists of perennial plants that can grow in a mat-forming or upright habit. These mostly herbaceous species feature leaves that may be aromatic, either pinnately divided or simple with serrated edges. The plants produce flattened clusters of small, daisy-like flower heads.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, East-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H7

Plant details

Plant type
Herbaceous Perennial
Habit
Columnar upright, Clump forming
Foliage
Deciduous
Height
1-1.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Prairie planting

Care notes

Cultivation
An open sunny position in a moist but well-drained soil is best, but it will tolerate most situations apart from heavy, wet clay
Pruning
Cut back untidy foliage in spring; deadheading may encourage repeat flowering in the summer
Propagation
Propagate by division in spring
Pest resistance
May be susceptible to aphids
Disease resistance
May be susceptible to powdery mildews