By Tim Carl| napavalleyfocus.substack.com
By Kathleen Scavone, Environmental Contributor, and Bob Niklewicz & Margaret Green, U.C. Master Gardeners of Napa County| napavalleyfocus.substack.com
By Glenda Winders| napavalleyfocus.substack.com
By Sasha Paulsen| napavalleyfocus.substack.com