The trees won't produce fruit like the European pear, but it sure hasn't stopped people from spreading them far and wide. We have been in a drought. Before joining the master gardener program, she worked in the biotech industry and in biomedical research. When peeling bark on trees is limited to the south or southwest side of the tree and bare wood is exposed, the problem may be sunscald or frost damage. Peeling bark caused by this disease is accompanied by yellowing and wilting leaves and dying branches. A tree with peeling bark doesn’t always indicate a problem. 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When bark peels off a tree, determine whether the tree is going through a normal shedding process or if injury or disease is causing the problem. Hardwood trees that have peeling bark may be suffering from a fungal disease called Hypoxylon canker. The branch tips and leaves will blacken, and cankers will form on the bark. So, this holiday season, we created a giving campaign for two of our favorite non-profits who are working to help put food on the tables of hungry families across the U.S. and around the world. A: There are a number of things that can cause bark to crack and peel on any tree. Sometimes you can find them directly under the bark, but not always. Countdown to Christmas: 25 ways to create the holiday home of your dreams, Why I love this plant in my garden, and why I think you will, too, branch tips and leaves will blacken, and cankers will form on the bark, I feed them all the same (18-18-21) and water them all the same. In your case, I would stop fertilizing since 18-18-21 is quite nitrogen-rich. 231;, mgsanbern@ucanredu; 909-387-2182; She holds a Bachelor of Science degree in molecular biology from UC San Diego. If the symptoms worsen, you may have to replace the tree. Avoid heavy fertilizing. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Although we do not pre-screen comments, we reserve the right at all times to remove any information or materials that are unlawful, threatening, abusive, libelous, defamatory, obscene, vulgar, pornographic, profane, indecent or otherwise objectionable to us, and to disclose any information necessary to satisfy the law, regulation, or government request. Trees are often thought of as towering giant that are difficult to kill. Borers will leave small holes, often oozing sap. Or, contact our editors by emailing As a tree grows, the layer of bark thickens and the old, dead bark falls off. The disease attacks the fleshy wood beneath the bark first so if you peel off a small bit of bark and see brown diseased wood below then your tree has canker. Eventually, the cankers will ooze sap and the bark will peel. How To Save A Cyclamen Plant - The plant leaves began to droop and when I touched, it everything came off. This disease is spread from tree to tree via pollinating insects. Borers are especially prevalent in drought conditions because the tree’s natural sap pressure will often push out the burrowing larvae and when the tree is water stressed, it lacks this defense mechanism. Peeling Tree Bark Disease. With our brand new eBook, featuring our favorite DIY projects for the whole family, we really wanted to create a way to not only show our appreciation for the growing Gardening Know How community, but also unite our community to help every one of our neighbors in need during these unprecedented times. In addition, the wood under the peeling bark is covered with a mat of fungus. We invite you to use our commenting platform to engage in insightful conversations about issues in our community. Borers will leave small holes, often oozing sap. They get nice blossoms but they dry up and fall off. I don’t think this is your situation, since you state that the bark started peeling from the trunk and your fruit quality was good. A: Tomato plants can be kind of finicky when it comes to setting fruit. If you see comments that you find offensive, please use the “Flag as Inappropriate” feature by hovering over the right side of the post, and pulling down on the arrow that appears. What can we do? She and her husband, Jim (also a master gardener), live near Temecula in an ordinary tract home. Sorry, your blog cannot share posts by email.