The impact all this rain is having on plants, trees, and flowers. Adding a clover lawn at your house. Why aphids could cause a big mess in your yard. When to dead head peonies. When its time to get control of weeds. Can you use pine needles as mulch? Getting rose bushes to bloom. Using herbicide on a bee lawn. Do not use pet manure as a fertilizer on plants. Properly mixing compost. Getting rid of purslane. When to get rid of buckthorn and how to treat the stumps. What kind of fertilizer should be used after heavy rain? How important is a sharp lawn mower blade? Learn more from horticulturalist Julie Weisenhorn and Lawn and Turf expert Jon Trappe at extension.umn.edu.