The first 50 Google hits had NO plants for sale of this weedy >easy to grow species. Why is this? > > >The RHS Plant Finder has only 3 suppliers, and 1 of them is in France >My wife likes sitting in the garden in summer and listening to the pods exploding as it seeds itself around. It is several yards away from where it originally grew. > >Brian Whyer, Buckinghamshire, England, zone ~8'ish