Giving someone flowers will take a new meaning in a grid down situation, you will probably be too busy (most of the time) to pick flowers just for aesthetics. If the flower serves a second purpose, say a flavoring for food, maybe you can enjoy them for just a bit before they go into a pan. This comprehensive article breaks down what you can eat, as some are poisonous, and gives you an idea as to the flavor they provide.
Read more at… 42 Flowers You Can Eat