Heather plants thrive in acidic soil. Therefore, if you want your plants to look beautiful, you should provide them with the ...

Native plants in the Tongariro National Park are being hit hard by the spread of invasive heather with a 40% to 50% drop in native species in some areas, a new study published in Oecologia has found.

This has a knock-on effect on wildlife such as red grouse and emperor moths, whose caterpillars feed on the plants. It is hoped "careful management" will allow the heather to recover. The National ...