Apple scab is one of the most common apple and crabapple diseases that gardeners have to deal with. Apple scab is caused by the fungus Venturia inaequalis. It will attack any varieties of crabapple ...

More people than ever are gardening during the pandemic and you’re bound to have questions. Turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service.

We’re entering a busy time of year for our local orchards. The trees are beginning to break their winter dormancy, and the orchards will soon be full of blooms. As your home apple trees begin to grow ...

CORVALLIS — From newly minted gardeners to avid urban farmers, everyone with a patch of land wants to grow an apple tree. Other fruits — pears, cherries, figs, plums — are desirable, too, but there’s ...

This has been one of the worst years for disease that I can remember as a gardener. Both here at the Garden and throughout the Chicago area, I have noticed many crabapples as well as serviceberries ...

Fruit trees will soon bud out. If a tree had a fungal leaf disease last season, and it resulted in severe and early leaf loss, spring is an important time to apply fungicides if that is the control ...

Q: I have a white flowering crab that we’ve had for about 20 years. Can you tell me what could possibly be wrong that’s causing the leaf problems, and is there anything I can do? — Christine W. A: We ...

Q. The apples on our Prairie Magic tree have round black spots. At first I thought it was bruising from hail but it's also near the bottom of some fruit, where hail couldn't hit. What is this damage ...

There are hundreds of choices when picking a crabapple tree from the nursery, but a Purdue University expert says only a handful are resistant to a widespread fungus or other serious diseases. After ...