The Problem


Gorse, a spiny shrub that was introduced from Europe, has made itself right at home in New Zealand. It produces yellow, pea-like flowers for months each year. These are followed by hairy seed pods that explode to release their seeds.

Gorse plants are very adaptable and will grow in a wide range of climates. Because they are leguminous plants, they have the ability to fix nitrogen from the atmosphere in the soil. Although high nitrogen levels in the soil helps gorse plants to flourish, they can be detrimental to many native plants. Treat individual gorse plants with herbicide and, once they’re dead, mulch the area heavily to prevent re-emergence of seedlings.

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