Great analogy Mike !!! Some Oxalis can be darn hard to keep growing, ive always wanted a little New Zealand Yam patch but I really struggle to keep them for more than a season, perhaps its too hot for them here in Queensland.. But I would love to bring those sweet little tubers to the table Yum Yum !!! Steven On 7 February 2013 18:12, Michael Mace <michaelcmace@gmail.com> wrote: > Jim wrote: > > > I just would never recommend them to a mid western garden greenhouse > > Fair enough, but since there are many people on the list who don't > necessarily have much experience with Oxalis, I'd like to add my two cents: > I think the genus is far too diverse to make a blanket statement about its > invasiveness. There are probably hundreds of Oxalis species. Some are > notorious weeds. Some are so picky that they're almost impossible to grow > in captivity. Most are somewhere in between. > > I live in a climate where Oxalis ought to be invasive, but most of the ones > I grow won't persist in the ground and don't set seed. You just need to > know which species you're dealing with. > > There are some species of Gladiolus that produce hundreds of rice grain > offsets plus windblown seeds, and are therefore very likely to spread > around > in pots. But I wouldn't avoid the whole genus for that reason. > > Hope that doesn't sound like abuse, Jim. It's not meant that way. > > Mike > San Jose, CA > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > -- Steven : ) Esk Queensland Australia Summer Zone 5 Winter Zone 10