Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at [email protected]. I have a problem with my navel orange tree. It is producing two types ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...

Our often-wet springs bring with them the perfect conditions for many plant diseases. While moist weather can create conditions for diseases on many plants, sick trees in the landscape tend to draw ...