Q. My wife believes 30 ft. pine trees do not need watering because they absorb water from the air. I ask you because the pine needles are turning brown Is she correct?
A. She is not correct. As any tree or plant gets bigger its
demand for water increases. They do not take water from the air. Just the
opposite. They lose water to the air in a process called transpiration, the
same as any other tree, needled or with broad leaves.