I do not know what kind of tree this is. I thought that it resembled a Catalpa. Last year it was healthy but this year these spots have appeared on all of the branches but some new g Read Answer

What can I use to kill the grass that is growing among my peonies? Read Answer

Hello, I am working with AWS, helping monitor the riparian reforestation along the banks of the Anacostia River. Many trees have been planted and are doing well. However, this weekend Read Answer

last year thr rhubarb came up, the stems were soft not crisp & then it died off. It has come back this spring, but is slow growing. It's a very old plant & a big plant with lo Read Answer

Japanese maple tree has fewer leaves each year. Most of the branches bend and are not dead - but don't have leaves. The tips of the some of the branches are dead. How can we save thi Read Answer

I have been trying to research this on my own and continue to get differing opinions. We operate a horse rescue and have horse grazing on our property. We have lots of woods but in the Read Answer

Dear sirs, I have two ornamental pear trees in my front parking strip. They have some kind of disease. All of the houses on this street have the same disease. I have lived here for Read Answer

What do we need to do (if anything) to "Sore" on tulip poplar tree. Read Answer

These varieties are both Pacific Northwest varieties. The first varietal, let say, is the more common type - very fast growing and abundant as compared to a varietal which grows at 1/3 Read Answer

Good morning - I’ve been growing plants under grow lights indoors and want to harden them off soon. I have an outdoor greenhouse. I’m wondering if once I start to harden them off, c Read Answer