What to know if you are preparing to plant a vegetable garden. How to protect your plants from critters. Maple Fest is coming to the arboretum. Are buds growing on lilac bushes already? The best plants for a rain garden. Is it too late to prune an apple tree? What is the best way to get rid of used potting soil? How to grow oak trees from acorns. Is it too late for tulips? Learn more from Master Gardener Teresa Rooney at extension.umn.edu.