Sweet pea shrub is here defined as all Polygala myrtifolia cultivars, except the cultivar ‘Grandiflora’.
Evergreen perennial legume-like shrub < 2 m tall. Young stems are covered in short curly hairs. Stems are smooth, woody and many-branched. Leaves are oval, smooth and alternate. Flowers are sweet pea-like and borne in January – December. Seed capsules are flat and heart-shaped. Seeds are dark brown and hairy.
To help protect our environment:
Coastal areas, forest margins, scrubland, cliffs, open areas, tussocks.
Seeds dispersed by gravity, wind, water, possibly ants.
Forms dense stands, displacing native vegetation, especially coastal shrub species.
Follow up treated areas 3 times per year. Encourage natural regeneration of native plants or replant treated areas where possible after 2-3 treatments to establish dense ground cover and minimise reinvasion.
CAUTION: When using any herbicide or pesticide please read the label thoroughly to ensure that all instructions and safety requirements are followed.