We have a blue spruce that we got from Bookcliff many years ago. I noticed this spring that something is eating away at the leaves. We had a tree "expert" stop by and he found little black insects.

Q: Most mornings, my pine tree is a gathering spot for a flock of twittering small finches. They poke and prod in the green needles and then, poof, they all leave in a rush. I have a watering dish set ...

After a few years of watching and waiting for a peach tree I planted to bear fruit, it finally did this year. Unfortunately, it was unable to produce during those first few years because of peach leaf ...

It's time to start working on managing pests in your fruit and landscape trees this year. Springtime is starting, even if it is delayed a bit from the normal timing. Given the huge differences in ...

Maybe gardeners aren’t busy in Minnesota or Iowa during the winter, but for gardeners living in the Mojave Desert, it is probably our busiest time of year. I’m asked about spraying dormant oils on ...

If you have aphids on a large tree and don't want to use chemicals, what should you do? According to Terrill Collier, president of Collier Arbor Care, you have three options: 1. Ignore it and live ...

Question: What is dormant spray? I was told to use it on my fruit trees, but I don’t know what it is. Thanks. Answer: Dormant sprays are sprays used on fruit trees during the winter, the dormant ...

Agggh. We experience “I will ask Lowenfels about it” aphid infestations every few years. This is one of them. We always have aphids around. They are normally kept in check by their natural enemies.

Over the next few weeks, Hillsboro Parks & Recreation and Hillsboro’s Public Works Department will be performing a trunk spray with a systemic insecticide on city owned trees in the downtown core to ...