Butterfly & Hummingbird Gardens The Butterfly and Hummingbird Gardens display beautiful plants that attract hundreds of butterflies each year. February 2022 In February, Master Gardeners mix Cotton Burr Compost into the garden to enrich the soil. April 2022 Planting, pruning, and watering the beds in preparation for the growing season to begin. May 2022 What a difference one month makes!! Now the gardens just need to be watered and weeded throughout the summer months.