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Tanacetum balsamita


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Key information

Plant type


Flower colour



Flowers, Aromatic foliage



Skill level


photo by Thomas Alamy, copyright GAP Photos (293684)

Plant details

Alecost, or costmary as it is sometimes known, is a mat-forming, woody-based perennial that spreads by rhizomes. It produces lovely long, oblong leaves with silvery hairs. In late summer and early autumn, it produces numerous white, yellow-centred, daisy-like flowers. However, this plant is normally grown for its balsam-scented foliage, making it an attractive addition to any herb garden. Divide the plant in the spring or autumn.

Family: Asteraceae

Genus: Tanacetum

Species: balsamita

Plant type: Herb

Flower colour: White

Foliage colour: Mid-green

Feature: Flowers, Aromatic foliage

Sun exposure: Full sun, Partial shade

Soil: Well-drained/light, Clay/heavy, Sandy

Hardiness: Hardy

Skill level: Beginner

Height: 90cm

Spread: 45cm

Time to divide plants: March to April

Flowering period: September to October

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