Ask an Expert - Featured Questions

Once or twice a summer I treat my lawn with weed & feed and spray on weed killer for lawns. Is it safe to use compost made from the lawn clippings? How long should I reasonably wait to use clippings for compost, and is it safe...

I live on the edge of Summer lake. We have a fresh water pond as well. The other day I found a salamander in my compost pile and I was delighted. I was curious if you have any ideas of native plants and habitate development to...

Last year crop was a total failure due to this. This year I have gently removed close to 6 small fruit starts. I just found some leaves on the pear with these spores. I have been treating the soil and the tree with neem granules,...

We received a handful of tomato starts from a friend who occasionally smokes "at a distance" from their home/family (don't know how far, but goal is to not smell of anything around family/house). How wary/careful should we be about...

We had a viewer send in this photo of a tree in Cedar Canyon near Banks, Oregon. We posted this to the OPB/ Oregon Field Guide Facebook page and now I feel a responsibility to give folks an accurate ID of what is causing this...

We have had a wonderful patch of Jersey Giant asparagus for the past twenty five years. This year, we have something "infecting" a few of the clumps of our asparagus and we can't identify it. It appears to be some kind of wilt or...

How do i get rid of symphylans? I have turned the dirt numerous times and treated with Bifenthrin as was directed by a soil expert at a local greenhouse ( 3 days ago) and they're still alive and well. Help!!! I am trying to get some...

We have a pair of Mallards stop by and hang out in our pool for a few weeks every year. Our dogs are used to them and give the ducks a wide berth when they walk by the pool. I just noticed that in the last few hours, the hen laid an...

About 8 years ago we planted arborvitae. They thrived and gained 50% in height and then over the last two years they have slowly started dying. Why are they dying? What variety could we plant that would survive better?

I have several pounds of brown rice that are 2 to 4 years old. I was about to cook some when I read that it should discarded after one year. I was born near the end of the Depression, grew up during WW2 and have an almost DNA level reluctance to waste food. So my question is: "To eat or...