Cornell Botanic Gardens will hold its annual Winter Solstice Garden Tour on the shortest day of the year, Dec. 21, beginning at noon.

This event includes a guided walk with an expert gardener in the Mullestein Family Winter Garden, who will explain how plants cope with winter’s cold and will share seasonal plant and solstice lore.

After the tour, participants can savor hot wassail in the warmth of the Nevin Welcome Center and do some seasonal shopping in the gift shop. Cost: $5 suggested donation; meet in the Nevin Welcome Center to begin the tour.