Question: Recently the sewer line in my house backed up. The plumber who cleaned out the line discovered that tree roots were the problem. I've seen products that you flush down the toilet for this.

Q: My sewer is backing up into my floor drain. I had roots cleared from the sewer line a few months back, but they seem to keep coming back. Any hints? A: For those not familiar with this issue, the ...

For reasons I do not fully understand, sewer lines are most likely to get clogged when one is having a big gathering at the house. Sometimes it’s just because a well-meaning volunteer in the kitchen ...

Dear Dr. Dirt: What is the variety of cherry trees planted in Washington. I would like to plant one. — Ellen, Carmel Dear Reader: In 1912 the city of Tokyo gave a number of Yoshino cherry trees, ...

Q: I live in the San Leandro hills, where there is clay soil. Last week, water backed up into my toilets, tub and shower. A plumber tried to remove the obstruction but was unsuccessful. He returned ...