Q: We have a sycamore tree that is having a problem leafing out this spring. What can we do to help keep it healthy? A: ...

A study finds small-scale tree cover in Costa Rica boosts biodiversity while limiting dangerous mosquito species.

The little pinprick spots on apples, pears, mangos, avocados, and potatoes are called lenticels (LEN-tih-sells), and they’re very important. Plants need a constant stream of fresh air, just like ...

However, apple trees are prone to diseases like apple scab, alternaria leaf blotch, and apple rot, which devastate apple yields and cause major losses for apple growers. Disease in apple plants mostly ...