Marie Selby (gardener and philanthropist), with Riggles in the 1920s. photo: Marie Selby Botanical Gardens, Sarasota

Edwina von Gal, landscape designer and founder, Perfect Earth Project

Mary Colby, artist and garden designer in Vita Sackville West's white garden

Ayinde Listhrop, High Line horticulturist and photographer

George Lozefski, environmental scientist and educator, Urban Soils Institute and NYBG

Drawing party in the Berkshires

Claire Davis, Director of Horticulture, Locust Grove

Rachel Brudzinski, arborist and tree climbing teacher

Stephanie-Rae, cofounder of the permaculture garden at the Church of the Mediator, Bronx

Vincent Simeone, Director, Planting Fields

Mary Grassi, Lindsay Gleason, Alison Filosa, horticulturists

Amanda Besl, artist and gardener

Barbara Paul Robinson, horticulturist and author of "Heroes of Horticulture". photo: Jerry Harpur

Arnaldo Ugarte, conservator/sculptor, Katrina London, manager of collections at Kykuit, with visitors from Shofuso Japanese House and Garden

Laura James, artist and cofounder, BX200

Gabi Stone, horticulturist and student at School of Professional Horticulture student at NYBG