Close to 300 species of plants, including regional and desert-adapted trees, shrubs, perennials, vines and succulents chosen to attract pollinators, are for sale from 7:30 a.m., to 3 p.m., Saturday, Sept. 29; free. Dish gardens also are available. Museum botany experts answer gardening questions. Visit desertmuseum.org
for details including a list of plants for sale.