Agonis flexuosa – Willow Myrtle
Agonis flexuosa – Willow Myrtle
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Agonis flexuosa, commonly known as Willow Myrtle or Peppermint Tree, is an attractive evergreen tree or shrub native to the mild coastal regions of Western Australia. It develops long, narrow foliage with a pleasant peppermint-like fragrance when crushed, while its graceful weeping habit gives mature specimens a distinctive architectural appearance.
Small clusters of white flowers appear along the stems in spring, creating an attractive contrast against the foliage. Mature trees also develop interesting exfoliating bark, adding year-round texture and ornamental appeal.
Willow Myrtle is well suited to full sun and tolerates a wide range of well-drained soils. Once established, it offers good drought tolerance and moderate salt tolerance, making it particularly useful for coastal landscapes. Young plants can be pruned to develop either a tree or shrub form.

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Mature height
7.5–10.5m
Mature width
4.5–9m
Spacing
5–8m apart
Evergreen/Deciduous
Evergreen
Foliage
Deep green foliage with white spring flowers and exfoliating bark
Flowering Period & Fruit Development/Harvest
Spring
Sun tolerance
Full sun
Maintenance
Low to moderate; prune when young and in late winter to maintain desired shape
Root System
Fibrous, spreading root system