Frederique Lavoipierre is the creator and author of “Garden Allies,” a series that ran for 10 years in Pacific Horticulture magazine. She also teaches classes and workshops on sustainable landscaping, including ecological principles, habitat gardens, beneficial insects, soil ecology, freshwater ecology, and aquatic invertebrates. Follow her on Facebook at www.Facebook.com/Garden.Allies.

Nan Sterman is a botanist and educator who is dedicated to helping people garden successfully in California’s dry, Mediterranean climate. Nan designs gardens, speaks to groups around the country, and leads international garden tours. Her public TV program A Growing Passionconnects people, plants, and the planet. Nan has authored three gardening books and founded the San Diego Gardener Facebook group which serves thousands of members across Southern California. Nan Sterman’s Garden School offers a monthly membership as well as stand-alone classes.

James E Henrich is curator of living collections at Los Angeles County Arboretum & Botanic Garden, having previously worked at the Conservatory of Flowers and San Francisco Botanical Garden, Denver Botanic Gardens, and Missouri Botanical Garden. He is currently the vice president of the Southern California Horticultural Society.