Want to find the perfect gift for an occasion but can't think of what to buy? Flowers have a unique ability to convey all sorts of different feelings and emotions. Flowers can be a great present for Mother's Day, Valentine's Day, and birthdays, and they can be used as thank-you gifts and retirement gifts. Below are times when dried flower bouquets are the perfect gift. Retirement Many people only think about flowers for a wedding, but they can be a great present on another very important day in someone's life — their retirement.