Vinca Flower Size. Vinca is also great for window boxes and other containers. Vinca is available in a range of shades including white pinks red purple and lavender.
Given the right growing conditions it can be invasive so keep an eye on it. Water well in drought vinca is prone to wilting. Vinca has known by three names Vinca Periwinkle rosy periwinkle or and Myrtle.
Feb 27 2009 Border Type Vinca have larger 2-inch flowers are more vigorous and form upright mounds 14 to 20 inches tall.
Both can be. Annual vinca is drought tolerant and requires almost no maintenance to keep it looking terrific. Sep 21 2017 Vinca flowers also known as periwinkle are perennial flowering plants that thrive in shade and are tolerant of a wide range of soil conditions. Vinca has known by three names Vinca Periwinkle rosy periwinkle or and Myrtle.