Q: When is it too late to use a dormant oil spray? I have a couple of apple trees. Can I use this dormant oil spray on other trees like my maples and my evergreens? If I mix up too much, I want to use ...

Mid-March to early April, just before growth begins, is the best time to prune fruit trees. At this time, winter damage to fresh cuts is reduced and sealing of cut surfaces by the tree itself is ...

If you have a fruit tree, you know that gardeners are not the only ones who enjoy the bounty of the harvest. There are many pests — such as scales, aphids and mites — that feast on the tender plant ...

The chill in the air reminds gardeners that it’s time to start winter chores. Spraying of dormant oils on deciduous fruit and nut trees, roses and other ornamentals can diminish the incidence of ...

CORVALLIS – Just when you’re ready for a long winter’s nap, it’s time to tend your fruit trees. If you don’t, chances are they’ll struggle in the coming season. Giving them attention now helps ward ...

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 ...

In order for the application to be effective, it must be made on a warm day in late winter. Freezing temperatures must not be in the forecast for 24 hours. After that period, freezing temperatures do ...

The most effective pest control measures for fruit, shade or ornamental trees during 2019 will be applied this December and January. Many gardeners consider the application of oils as an organic ...

How often should I water my trees and shrubs in the winter? The most precise answer to this question is, “It depends.” There ...

You should have applied the most important insect spray of the year — dormant oil sprays — during the winter. Why then? Because that’s when insects susceptible to these sprays are most vulnerable. Why ...