No specific height requirement exists for making raised flower beds. However, make sure to work the soil beneath the raised flower bed at least 6 inches deep, adding compost. This allows the plant roots to grow as deep as needed.
About this Author
Karen Ellis has been a full-time writer since 2006. She is an expert crafter, with more than 30 years of experience in knitting, chrocheting, quilting, sewing, scrapbooking and other arts. She is an expert gardener, with lifelong experience. Ellis has taken many classes in these subjects and taught classes, as well.