Q: Can you tell me what is wrong with my crab apple tree, and what I should do about it? The leaves started turning yellow earlier this summer and now there are hardly any leaves left. It looks awful.

There have been reports that 2024 has been a bad year for apple scab in both fresh-eating apples and crab apples. Apple scab infections on fruit start off olive-green and turn into a rough, cork-like ...

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 ...

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 ...

ST PAUL, Minn. — In your own yard or driving around looking at someone else's trees, you might have noticed that crabapples look terrible this year. Absolutely terrible. The culprit is a fungal ...

Apple scab, caused by the fungal pathogen Venturia inaequalis, remains one of the most significant challenges to apple production globally. Intensive research has elucidated the complex interplay ...

It might be easy to grow and care for an apple tree, but keeping it safe? Well, that is where the problems begin. There is no shortage of pests and diseases that affect it, and any one of them could ...

Apple scab has been a serious disease problem on crab apple and apple trees the past few seasons, and the current cool, wet spring weather is ideal for this disease to develop. While it is difficult ...

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 ...