Annual Vinca (Periwinkle): Varieties and Growing Guide

Overview

Vinca (Vinca spp.) is a shrubby, flowering vine grown as an annual in cooler zones, perennial in warm climates. Resembles impatiens but with glossier leaves and periwinkle-blue flowers. Thrives in partial shade with moderate water; tolerates sun with ample moisture. Vinca rosea prefers full sun. Blooms all summer and into fall in mild weather.

Vinca Major (Large Periwinkle)

Aggressive, invasive spreader to 2 feet tall with 3-inch leaves and 2-inch flowers. Perennial in southern states, annual in the north. "Sunset National Garden Book" recommends cutting to ground every few months to rejuvenate. Variegated cream-leaf form available.

Vinca Minor (Dwarf Periwinkle)

Compact, 6 inches tall with smaller leaves and flowers. Many cultivars (Sterling Silver, Bowles' Variety, Ralph Shugert) with varied hues and white variegation. Alba and Miss Jekyll have white flowers. Performs well in eastern U.S., Texas, Kansas, Nebraska, Arizona, Utah, Montana, Washington (per USDA).

Vinca Rosea (Madagascar Periwinkle)

Widely sold in flats for summer planting. Flowers range from white to pink to deep rose, including bicolors. Grows to 2 feet; also available as a vine. Varieties: Little (10 in), Pacific and Cooler (15 in), Tropicana (early bloomer). Blooms summer to late fall in mild weather. Prefers full sun with moderate water.