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 ...

I have always been a big fan of the annual, Catharanthus roseus, better known as vinca. They are blooming machines, flowering all summer despite our heat and humidity. They are also drought tolerant ...