If last summer's heat and drought wilted your pansies, consider planting Madagascar periwinkle this year. For sunny sites with dry soil, few flowers can beat this heat-loving beauty. In tropical or ...

Recently, during an early evening walk, I passed a patch of weeds in bloom. The plants were growing in a harsh area — sandy, blazing sun and very dry — yet the plants were in full bloom. What is this ...

Plant scientists have taken the crucial last steps in a 60-year quest to unravel the complex chemistry of Madagascar periwinkle in a breakthrough that opens up the potential for rapid synthesis of ...

In 1952, Canadian research scientist Robert Noble received an envelope in the mail. Inside were 25 leaves of a plant called the Madagascar periwinkle. Noble’s brother, a physician, sent the packet ...