Quote Originally Posted by Hoanui View Post
My poppies produce new plants from their bases - that or a seed has landed really close to the base and grown from there. this year there was a white one - a colour I hadn't planted so I'm not too sure of what's going on there. Part of the blue breeding perhaps?

It's possible that a seed landed there that is now expressing recessive traits or a mutation. If the white is one sprouting from the base of an older plant, it may be what is referred to as a "sport". This would be the result of a mutation.