DOC has updated its list of environmental weeds and Lynda Hallinan surveys them and comes clean on which ones she let get away. As well as some advice on how to tell when a good plant is going rouge.
Photo: By Lupin (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons
