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Best uses

Excellent in borders and cottage-style gardens. Dries well.

Physical characteristics

Evergreen, clump-forming perennial that grows up to 50cm tall and wide.

Flowers and foliage

Fern-like foliage complements clustered, salmon-hued flowers that appear in summer and last through to autumn.

Preferred site

Prefers full sun and well-draining soil, but can tolerate drought and a range of soil types.

Preparation for planting

Always choose healthy, well-grown plants and plant after autumn rains. Before planting, ensure the root ball is saturated and remove the planter bag or pot with minimal root disturbance. Trim any broken roots and plant at the same level as in the container. Dig a hole twice the diameter of the root ball and press the soil once planted. Plant approximately 50cm apart; planting too closely leads to spindly growth, poor flowering and eventual plant decline. In a well-planned border, flowering plants should just touch to create a full effect without overcrowding. Water after planting and make sure the plants don't dry out until established.

Maintenance tips

Achillea is best propagated by division every two to three years. Divide in early winter to enable the new plants to establish while the soil remains relatively warm. Division can be achieved by placing two spades back-to-back in the centre of the lifted plant and then chopping down and pushing outwards. The new plants can then be either replanted in situ or planted elsewhere. Apply organic mulch annually to improve soil health and moisture retention and suppress weeds. Through the flowering season deadhead to encourage further flowering. Delay cutting back attractive seed heads to retain seasonal interest.

Ecological and biodiversity benefits

Attracts bees, butterflies, and other beneficial insects to the garden. Leave seed heads for seed-eating birds.

Pests and diseases

No pest and disease issues.

Location at Auckland Botanic Gardens

Perennial Garden