The plant sale is underway at the Arboretum. Growing great Raspberries. Identifying grubs in grass. When to transplant and divide peonies and rhubarb? Picking the right tree to plant in the yard. Preventing dogs from digging holes in the yard. Plants to attract butterflies and bees. Starting over on your lawn. How to get rid of bittersweet? Growing blackberries in Minnesota. The Learn more from Master Gardener Teresa Rooney at extension.umn.edu.