Is anything effective on dollar weed?

— wendy allen Fairhope, AL

Answered by Richard Heller on August 19, 2010

Can I use house plants to improve my home's indoor air quality?

— Tom Neff Fishers, IN

Answered by Richard Heller on August 3, 2010

What type of indigenous plant or tree can I use to create a sound barrier?

— Tim Douglas San Diego, CA

Answered by Richard Heller on August 3, 2010

What is the "rule" for irrigating a green roof garden?

— baruch weiss Farmersville, OH

Answered by Richard Heller on July 5, 2010