Apple scab update. Bare root planting. Germinating rhubarb seed. Keeping critters away from your plants. The best way to kill dandelions. Preventing Lily of the Valley from spreading. Getting control of a clover outbreak. Best time of day to uncover plants. How to help peonies bloom. Bringing hydrangeas back to life. Waiting for peppers and tomatoes. Getting control of quack grass. Learn more from horticulturalist Laura Irish Hanson extension.umn.edu.