Jo O’Connell

Jo O’Connell, a transplant from Sydney, Australia twenty years ago, is the founder of Australian Native Plants Nursery ( in Ventura, California. She regularly introduces new Australian plants to keen gardeners, botanical gardens, and landscape professionals. Her nursery ships plants all over the United States and internationally.

Kirsten Honeyman

Kirsten Honeyman, a clinical psychologist, includes gardening, writing, and photography among her avocations. She blogs at where she writes about a mediterranean lifestyle. She has served on the board of Tree Fresno and is active with the Mediterranean Garden Society. She and her husband Bruce garden in Fresno and in Carmel Valley, California.

Carol & Barrie Coate

Carol and Barrie Coate are a dynamic husband and wife team of horticulturists. Barrie worked for many years for the Saratoga Horticultural Research Foundation and is now a highly respected arborist in private practice. Carol continues to serve on the board of directors of the Foundation. Together, they have created a stunning garden in the mountains southwest of San Jose, California.


Paul Bonine

Xera Plants

Paul Bonine is a garden writer, lecturer, and owner of the wholesale specialty plant nursery Xera Plants, in Portland, Oregon.  A lifelong plant man, Paul has worked in the nursery industry for nearly twenty years and consulted for NPR, the Sunset Western Garden Book, and The Oregonian. He is the author of Black Plants: 75 Striking Choices for the Garden (Timber Press, 2009).

Paul lectures on low-water gardening, unusual vines, and deer-resistant gardening. He lives in Portland, where he tests and selects new and useful plants for Pacific Northwest gardens.

Matt Ritter

Matt Ritter is a professor in the Biology Department and director of the Plant Conservatory at California Polytechnic University, San Louis Obispo. “I want to help people know the trees in their city. Not just see them as green blobs,” says this disciple of street tree diversity. Ritter is the author of A Californian’s Guide to the Trees Among Us (Heyday Books, 2011) and The Plants of San Louis Obispo, Their Lives and Stories (Kendall Hunt Publishing, 2008).  He is the chair of the City of San Luis Obispo Tree Committee, and editor-in-chief of Madroño, the journal of the California Botanical Society.


Richie Steffen

Richie Steffen is curator of horticulture for the Elisabeth C. Miller Botanical Garden in Seattle, where he manages the rare plant collections and leads the acquisition of new plants. Richie is co-author of The Plant Lover’s Guide to Ferns from Timber Press. He is an active member of numerous horticultural societies in the area and lectures widely about garden-worthy plants.

David Ehrlinger

David Ehrlinger has a background in botany from the University of Michigan. After several years as head of horticulture for the Cincinnati Zoo and Botanical Gardens, he moved to Southern California, where he has been director of horticulture at the San Diego Botanic Garden in Encinitas since 2002. He resides in nearby Carlsbad with his wife Claire.

Frederique Lavoipierre

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

Kathy Musial

Kathy Musial is curator of living collections at the Huntington Botanical Gardens where she has worked for more than twenty-five years. She serves on the board of directors of Pacific Horticultural Society, leads tours for the Society, and is a collaborator on the soon-to-be-published Conifers around the World.

Mary Wilbur

Mary Wilbur, a native of Wales, worked in the field of psychiatric care, and has gardened in England and New York. She is now active with the Greater Trinidad Garden Club in Trinidad, California, where she has lived and gardened for more than a decade.

Richard G Turner Jr

Richard G Turner Jr is the editor emeritus of Pacific Horticulture. After receiving degrees in architecture and landscape architecture from the University of Michigan more than thirty years ago, he escaped to California, where he has worked in the fields of garden design, public garden education and administration, and garden publishing. His small, chemical-free San Francisco garden provides habitat for wildlife while serving as a test ground for mediterranean-climate plants.

Roger Raiche

Roger Raiche is the founder of Planet Horticulture, a design-build landscape firm that emphasizes unusual plants in naturalistic and ecologically minded garden designs. His twenty-three-year career at the UC Botanical Garden (Berkeley) transformed the California Collection. He collected extensively, discovered three species, and introduced many new native cultivars.