When should I spray my purple-leaf plum tree for the mites and disease they seem to get every year? A: That is a problem-prone tree, in my opinion. The dark leaves are nice, but it usually ends up ...

As spring fast approaches, I find myself more obsessed with the trees than usual. I think it is because they are blooming so early that I can’t help but spot them from afar. One tree that is blooming ...

We have a purple leaf plum shrub in our yard out on the Redlands. I think it is sick. The leaves are a funny yellow-purple-orange-green with a lot of small purple spots. What's going on with our plant ...

Q: My homeowners association requires a replacement for a dying plum tree with something similar. I want to plant a more drought-tolerant, low-maintenance small tree. Any suggestions? A: I am guessing ...

I’m concerned with my purple leaf plum tree. Originally, I was only concerned with the dark crusty limbs, and then I noticed some stuff like dark coffee grounds at the trunk. How bad is this? And how ...