Non stop flowering begonia plug plants just 10p per plugbegonia petals contain oxalic acid and therefore should only be eaten in moderation and should not be consumed by individuals suffering from the following gout kidney stones or rheumatismcompacta is a non stop flowering begonia which is great in all types of weather making it ideal for those stereotypical british summers secret these flower petals are edible and can be used to garnish salads what a way to make your summer salads st