Dana Millar of Dana Designs, the steward of the gardens at Theatre by the Sea, will conduct a complimentary garden tour Saturday. Visitors will tour the property’s lush gardens that feature more than 300 varieties of perennials, grasses, shrubs and climbing plants. The landscape was originally designed in 1988 and today, the multitude of species surround the historic theater complex, its front porch, gazebo and 240-foot arbor walk. The tour will be held rain or shine and should last approximately 40 minutes.