Periwinkle or myrtle is an excellent, evergreen ground cover with dark-green foliage and purple, blue, or white flowers, depending on the variety. It blooms in April and sometimes again in the fall. The plant grows about 6 inches tall, spreading in all directions by sending out long, trailing and rooting shoots that make new plants. It is best in shade, but will grow satisfactorily in full sun. The foliage color is richer in partial shade, but more flowers are produced in the sun. This ground cover is most commonly used for underplanting trees and shrubs, on shaded slopes, or on the north side of buildings. Rooted cuttings or established plants are normally spaced from 12 to 18 inches apart. At a 6-inch spacing, a complete cover will be produced in one year. Plant in the spring in areas with severe winters. Spring-flowering bulbs inter-planted with periwinkle will lend color and interest to the ground cover planting. Daffodils are particularly well suited to this since they bloom at the same time as periwinkle and do not require frequent division.
- Common Name: Creeping Myrtle
- Zone: 4 | 5 | 6 | 7 | 8 | 9
- Bloom: Spring | Late Spring | Early Summer | Summer | Late Summer | Early Fall | Fall
- Growth: Under 6 Inches
- Exposure: Full Sun | Partial Sun | Partial Shade
- Water: Average