Rachel Raphael was born into a family of avid cooks and gardeners, so it’s no wonder the Marin native gravitated toward food and horticulture from an early age. As the owner of Letter & Leaf (www.letterandleaf.com), she currently designs small-space gardens and containers that feature unusual botanicals and tasty edibles. Prior to that, Raphael was the heart and soul behind Smith and Hawken’s weekly online column, Garden Guru.