Have you noticed some of the spectacular blue and white flowers this summer? Among the ones that have attracted my attention are the white Cora vinca flowers. They are a summer annual, so they will ...

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. A vine has ...

Q. I just planted a flat of vincas in my condo flower bed as I do every year. They really flourish and are good until late October when I pull them up. A few of the white variety seem to come back in ...