convolvulus arvensis 

Every spring I muse on the weeds in my garden.  A particularly demonic weed (from my perspective) is convolvulus arvensis: Bindweed.  Once you’ve got it, you’ve got it.  The only way to get rid of it completely is to kill everything using something like Roundup—and that’s only if it has not flowered.  If it has flowered and produced seeds, well then you are looking at 20 years of volunteer bindweed. I am not…