Over many decades, we have come to count on colorful, sturdy vinca (Catharanthus roseus) as the workhorse of our summer gardens. With its pretty pink, white and purple blooms clustered en masse on a ...

Q: All of these vincas were bought at the same time, planted in the same potting soil and cared for in the same way. One of them now is wilting and showing steady decline. What can I do to turn it ...

Variegated vinca goes by many names. Known as bigleaf periwinkle (Vinca major 'Variegata'), it's a variegated form of V. major, or greater periwinkle. These vinca vines have big leaves with a ...

Q. I’m trying to grow annual vinca in Zone 5. I got some this year and planted in early June. They are in a spot that faces west and gets sun all afternoon. Just after planting we had a lot of rain.