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 ...

Do you know the difference between an annual, biennial and perennial plant? If not, here's everything you need to know.

First of all, annuals are expendable – if you don’t like a certain plant, it’s easy enough to eliminate. Second, they are inexpensive. Third, they’re easy to propagate. Adding them to the perennial ...