I agree with this except that my climate is a little colder and they are a little less weedy here. I have red, orange blue, white.... forms around. never sure just where though. The red is normally the one which flowers for me as an opportunist in the garden. Peter (UK Derbyshire) On Wed, May 29, 2013 at 12:32 PM, Brian Whyer <brian.whyer@btinternet.com>wrote: > This is definately one case where knowing where and how you garden is > important in a posting. > The blue form is a greenhouse plant here, (near London, UK) the red a bit > weedy in growth, i.e. it appears round the garden and between the paving. > > Brian Whyer, Buckininghamshire, England, zone ~8 ish > >