Q: We have a row of 16 Colorado blue spruce trees with mulch among them. What do you recommend to use to keep the weeds under control? We are reluctant to use weed-killer for fear of harming the trees ...

When I recently purchased two new trees to plant in my lawn, I was advised to keep the grass from growing next to the tree trunks. Is there some reason for this? I like the look of grass growing under ...

Why do weeds overtake gardens so fast? Most plants we call weeds are uniquely programmed by nature to survive and thrive. Most propagate by seed and the worst offenders can produce tens of thousands ...

Question: I heard you talking on your radio program about using corn gluten meal to keep the weeds from coming up in my beds. Can you give me a little more information on how and when to use this ...

You might not realize it but September is the best time to get the weeds growing in your lawn under control. Late summer weed control is the "proactive" approach to weed control. Most of us take the ...