Hazel White is the author of eleven gardening books, including Sunset’s new Hillside Landscaping, many magazine articles, and an essay on Isabelle Greene in Isabelle Greene: Shaping Place in the Landscape (University of California Art Museum, Santa Barbara). A resident of San Francisco, she is also a poet and a member of Kelsey Street Press, Berkeley.

Kate Frey is a noted garden designer and eloquent advocate for pollinators. She designed and managed the famous organic public garden at Fetzer Vineyards, the Melissa Garden in Healdsburg, and the landscape at Lynmar Winery in Sebastopol. Her gardens won 2 gold medals at the Chelsea Flower Show in London, a rare honor for an American designer. Kate currently writes for the Press Democrat newspaper and Ten Speed Press published her book, The Bee-Friendly Garden, in 2016. Her newest educational venture, The American Garden School (www.americangardenschool.com), debuted in 2017.

Ray Collett is the founder and director emeritus of the Arboretum at the University of California, Santa Cruz, where he was responsible for developing the extensive Australian Collection. Among his many interests are the Australian fuchsias (Correa spp.), of which he has introduced several named selections to the nursery trade.