Listed below are a few simple rules to follow before sampling flowers. Eat flowers only when you are positive they are edible. If uncertain, consult a good reference book on edible flowers prior to consumption. Just because flowers are served with food does not mean they are edible. It's easy and very attractive to use flowers for garnish on plates or for decoration, but avoid using non-edible flowers this way.
Many people believe that anything on the plate can be eaten.
They may not know if the flower is edible or not and may be afraid to ask. If pesticides are necessary, use only those products labeled for use on edible crops. Do not eat flowers from florists, nurseries or garden centers. In many cases these flowers have been treated with pesticides not labeled for food crops. Do not eat flowers picked from the side of the road.