Ask an Expert - Featured Questions

We hear about adding coffee grounds to garden soil. What are the benefits?

We planted 17 emerald arborvitaes 3 weeks ago. We broke apart the rootball (at the suggestion of an employee at the retailer) and I've since learned that this is bad to do. We are watering regularly and have covered the area with mulch to retain moisture but our trees seem to be yellowing...

We planted a Methley Semi-Dwarf plum tree in our front yard in approximately February of 2015 (through Friends of Trees in Portland). In the last month or so we have noticed that the leaves have small holes in the them, and there are also some insects on them. We have been fairly good about...

I take care of the family pastures (maintain irrigation) and was wondering what is the best way to get rid of weeds in the pastures. We have horse weed and a few others, not real bad but want to stop it and get rid of it. The family does not want to use chemicals as we are right on the...

We live next to a filbert orchard and they seem to be spraying a lot at this time. Is there any danger from being in our yard while they are spraying? How often can we expect them to be spraying?  

Two weeks ago, when fixing brown basmati rice for dinner (bought from bulk in last 2 mos.) kept some in a kitchen container, noticed black "dust" at bottom of container; put on eye glasses to see - eek!.... many dead teeny tiny black bugs, but about 200 crawling actively. Threw the whole...

How can I get a cougar to leave the area behind my home. We have young children and pets. My animals are afraid to go out even during the day. A friend of mine got on my roof tonight and spotted the Cougar with a flashlight.

The salal surrounding our property in Coos County is turning white, dropping it's leaves and dying. I spoke with the local nursery who was aware of the plight of Salel in Coos and Curry County but not able to give me direction on how to treat or clear. I'm hoping you can help me. Is there...

Given the recent news on emissions of heavy metals in Portland, I'm looking for information on which vegetables take up these pollutants from the soil. What else should I be concerned about?

We just moved into a new home and would love some advice on when to aerate our lawn. Are there better times of the year than others? Are there any times where it's a bad idea?