Mostly evergreen trees. Bark can be smooth, peeling or fibrous. Trunks in most species are tall and straight due to shedding of lower branches. Juvenile leaves are blue-green, stalkless, heart-shaped and opposite. Mature leaves are green, sickle-shaped, aromatic and hang vertically on short stalks. Flowers can be a variety of colours and are pōhutukawa-like with numerous stamens. Fruits are woody, valved capsules.
Although gum is not a legally declared pest plant, it may still be invasive in some situations. Consider lower risk alternatives for your garden, such as native plants.
Shrubland, coastal areas, riparian areas, wetlands, plantations, urban areas.
Seeds dispersed by gravity.
Inhibits growth of vegetation through allelopathy. Increases fire risk.
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.