Creeping Myrtle (Vinca minor): Complete Growing and Care Guide

Creeping myrtle (Vinca minor), also known as lesser periwinkle or dwarf periwinkle, is a versatile evergreen groundcover that solves difficult landscaping challenges. This low-growing, trailing plant thrives where grass won't—under trees, on slopes, and in poor soils—forming dense mats of glossy dark green foliage studded with charming purple-blue flowers.

Historical Note

In medieval times, Vinca minor was called "Flower of Death" and woven into bands for deceased children. It was planted on infants' graves and used for criminals' execution crowns—a somber history for such a cheerful garden plant.

Plant Identification

• Stems: Slender, somewhat woody, twining
• Leaves: Shiny, oval to lance-shaped, thick and leathery, opposite arrangement, clustered at terminals
• Growth habit: Mat-forming, 6-12 inches tall; trailing stolons up to 3 feet
• Flowers: Star-like, 1-inch, five-petaled, pinwheel-shaped, blue-purple; main bloom April-May with sporadic flowering through September
• Roots: Develop where stems touch ground; spreads via rhizomes

Popular Cultivars

• Bowles: Large dark purple flowers, sporadic rebloom
• Illumination (variegated): Creamy white-and-green, gold, or yellow variegated foliage
• Alba: White flowers
• Atropurpurea: Reddish-purple blooms
• Sterling: Silver-gray and green leaves with blue flowers

Hardy in USDA zones 4-9.

Planting Guidelines

• Timing: Spring and early fall are ideal, but tolerates planting throughout growing season
• Spacing: Plant 18 inches apart
• Light: Partial shade preferred; full sun in cool climates increases blooms but causes chlorosis in warm areas
• Soil: Adaptable—thrives in fertile, moist, well-drained soil but tolerates poor soils, clay, sand, and various pH levels
• Mulching: Apply at planting to retain moisture and suppress weeds

Care and Maintenance

Watering

Keep soil evenly moist during first season to establish strong root development at stem nodes. Once established, plants tolerate occasional drought.

Pruning and Growth Control

Annual pruning in early spring maintains boundaries and stimulates fresh growth. Cut older stems back to 4 inches using sterilized shears. Remove any plants spreading beyond designated areas—dispose of debris in trash (not compost) to prevent resprouting.

For large established beds, clear debris, set mower to highest setting, and mow over plants. Rake and dispose of clippings properly.

Invasive Potential

Important: Creeping myrtle is extremely invasive once established and can smother neighboring plants. Control growth promptly. For aggressive spread, combine hard pruning/mowing with glyphosate-based herbicide on new growth (follow label instructions). Hand-pull or dig out underground portions as needed.

Propagation

• Root division: Easiest method—divide in early spring or fall
• Softwood cuttings
• Seeds
• Simple layering

Common Problems

Stem blight (caused by Phoma exigua var. exigua) is the most serious disease. Symptoms: dark brown to black stem lesions, foliage turning black/brown, stem girdling and death. Difficult to control—apply fungicides at first sign (Thiophanate-methyl, Copper sulfate pentahydrate, or Mancozeb). Prevent by ensuring good air circulation and removing plant debris.

Potential pests: leafhoppers, scale insects, aphids.

Landscape Uses

Beyond groundcover, creeping myrtle excels at erosion control on slopes and suppresses weeds effectively. A fast-growing, low-maintenance solution for challenging sites—just manage its enthusiastic spread!