Q: I have a large bed of annual vinca where more than half of the plants have died. Our helpful county extension service agents identified the problem as Phytophthora aerial stem blight.
August 26, 2023 at 2:30 a.m.
Q: I have a large bed of annual vinca where more than half of the plants have died. Our helpful county extension service agents identified the problem as Phytophthora aerial stem blight.