Enjoy the guided Rhododendron Walk at Mendocino Coast Botanical Gardens with Dennis McKiver of the American Rhododendron Society’s local chapter. More than 1,000 rhododendrons can be seen blooming throughout the Gardens during peak bloom in April and May. Learn more about the Gardens’ signature collection, including more than 124 species of rhododendrons and 315 taxa, many of them developed by the region’s prolific, enthusiastic, and generous rhododendron growers. Fridays, April 10, 17, and 24. Mendocino Coast Botanical Gardens, 18220 N. Hwy. 1, Fort Bragg. Find times and admission costs at gardenbythesea.org/rhodo-walks.