Apple of Sodom
A poisonous shrub that grazing stock will avoid, therefore reducing available grazing land.
Listed as one of the world’s worst invasive species by the World Conservation Union.
Can quickly invade pasture, reducing area for grazing and breaking fences that it grows over.
Originally from South Africa Boneseed is named due to the white, bone-like appearance of its seeds.
Forms dense mats that shade out native species and is extremely toxic to farm animals.
Produces a large number of seeds that are spread by birds to form dense stands which prevent native species from establishing.
Coast tea tree
Waves flush sand from underneath the tree roots causing erosion and creating steep dune slopes.
Has masses of shining red or orange berries and matures very quickly to form dense stands.
Named after Charles Darwin – who discovered it in South America in 1835. It was brought to New Zealand for hedging.
Competes with native species for light, space and pollinators and can dominate vegetation on stream banks.
Horse nettle is extremely invasive and hard to kill and all parts of the plant are poisonous.
Popular as a hedging plant due to its hardy nature and exceptionally fast growth rate.
Thistles i nvade large areas of pasture; unpalatable to stock and reduce pasture productivity.
Named due to its tubers that look like nuts. It is considered an invasive species in over 90 countries.
Rice paper plant
Gets its name from the widespread (incorrect) belief that the plant is used to make rice paper.
White edged nightshade
A member of the nightshade family, dust from the plant can cause respiratory irritation.