Holly Shimizu

Garden Consultant


The U.S. Botanic Garden as viewed from the Bartholdi Park.
Holly was the Executive Director here from 2000 through 2014.


Holly H. Shimizu is a nationally recognized horticulturist, consultant, and educator living in Maryland.   With a rich background in all aspects of public gardens, extensive experience leading garden tours and workshops, and a proven commitment to plant conservation and sustainability, she has been making plants and gardens more accessible and exciting to both professionals and amateurs for over four decades.  Holly consults public gardens and helps individuals envision and create peaceful and sustainable gardens. She also lectures and writes on a variety of horticultural topics and leads gardens tours.  Read Holly’s blog here!

Holly Shimizu fountain

Current Projects:

Together with writer, artist and photographer Carole Ottesen, Holly opened Fiddlehead Cottage in June 2017 in Lewes, DE. Fiddlehead Cottage offers vintage and one-of-a-kind garden finds and furnishings and is open on select dates (see website for more information). Wacky garden hats, vintage jewelry, garden furniture, botanical trays, natural products, dry flowers and wreaths, potted plants, air plants, water plants and more!

Holly is currently the Interim Executive Director of the American Horticultural Society (AHS). She is serving in this capacity while they search for their next leader. The AHS connects people to gardening, raises awareness of earth-friendly gardening practices, introduces children to plants, brings together leaders to address important national issues, and showcases the art and science of horticulture. Please visit their website for more information.

In Delaware, Holly is on the Advisory Council for the Delaware Botanic Gardens at Pepper Creek. The garden is in the early conceptual and design phase.  Please see Delaware Botanic Gardens for more information.

Holly is on the Advisory Committee for Las Cruces Biological Station, located in Costa Rica. Las Cruces is part of the Organization for Tropical Studies and is home to the Wilson Botanical Garden.  Much of the garden was designed by Roberto Burle Marx.  For more information, see their website.

Holly Shimizu and colleagues
Holly Shimizu on New Zealand trip