How to Identify Periwinkle Flowers Periwinkle flowers (botanic name Vinca minor) grow as a ground cover in Zones 4 to 9. They typically reach heights of up to 6 inches, and widths of between 6 and 18 ...

"They're after money, not morals, y'all." Expert issues warning over popular plant with devastating effects: 'Destroy it' first appeared on The Cool Down.