Some crabapples are very susceptible to apple scab, and those not treated in spring may have lost many of their leaves. Their remaining leaves can be affected with black and yellow spots. Spraying at ...

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 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 ...

Q. I enjoy the Plant Medic column. Do you have any knowledge about the sad condition of crabapple trees in the Allen County area? Is there a blight going amongst them? A. Crabapples are native to both ...

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 ...

You may wonder why your crabapple tree, which was gorgeous this spring, is now losing most of its leaves this summer. Now that you think about it, you remember it seems to do this every year. What ...

The problem with many plant diseases is once you notice them it’s often too late. That’s especially true with our trees. We often don’t gaze at the canopies of our trees looking for problems. The ...

Crabapple trees are one of my favorite ornamental spring trees. A mainstay of the New England landscape, they offer three seasons of interest, plus a handsome branching habit that looks good all ...

A crabapple (Malus sylvestris) is defined as an apple that at maturity is less than two inches in diameter. This deciduous tree is typically found growing in the wild in wooded areas containing oak ...