Watering cactus and succulent gardens requires letting them dry out between watering them, and then soaking them completely once a week during the summer and once a month during the winter. Keep cacti and succulents thriving with tips from a professional gardener in this free video on gardening. Expert: Yolanda Vanveen Contact: www.vanveenbulbs.com Bio: Yolanda Vanveen is a sustainable gardener who lives in Kalama, Wash. Filmmaker: Daron Stetner