One of the world's most invasive weeds has been discovered on two Waikato maize farms, after decades of trying to control it. Velvetleaf can grow up to 2.5 metres tall, it has large, heart-shaped ...

Three new velvetleaf sites in the North Island, including two in the Waikato, are a wakeup call for all farmers ahead of crop harvest. The source of the new velvetleaf infestations, which are on ...