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 ...

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 ...

Decades-old palm trees in Rio de Janeiro flower for the first — and only — time. Air Force pilot safely ejects before F-16 fighter jet crashes in California desert. Federal agents launch immigration ...

Several readers have asked about the timing of dormant oil. This traditional technique involves spraying dormant fruit trees with horticultural oil to smother persistent pests, such as aphids and ...

Did you have insect problems on small trees or shrubs last year? You may have heard advice to spray them with dormant oil in March. Dormant oil is a heavyweight horticultural oil that is commonly ...

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

The almost-daily rain we had this spring really put a damper on fruit tree spraying. Pesticides work best if they are applied at least 24 hours before a rain. When a rain happens before the next spray ...