Periwinkle Dwarf White Little Blanche Catharanthus Roseus is an evergreen, flowering, tender perennial shrub native to Madagascar. The botanical name Vinca Rosea is often used to identify this plant, and Periwinkle Dwarf White Little Blanche seeds germinate fast, and Vinca Rosea establishes itself rapidly. Commonly known as Madagascar Periwinkle, Rosy Periwinkle, Teresita Vinca, Cape Periwinkle, Rose Periwinkle, and Old-Maid, this particular Catharanthus Roseus blooms with large, phlox-like pure-white flowers all summer long attracting butterflies and other pollinators.
Periwinkle Dwarf White Little Blanche is grown as annual or perennial in warmer climates ground cover plant, and compact growing, mass planting, mixed planting, containers, hanging baskets, pots, and window boxes are other garden uses of this popular shrub. Catharanthus Roseus seeds germinate fast and they must be covered with soil, because the Vinca Rosea seeds germinate in darkness. Periwinkle grows best in full sun and hot, humid summer weather tolerating poor soil, partial shade, drought, and heat.
Height: 8-10 Inches
Bloom Season: Summer/Fall
Environment: Full Sun/Partial Shade
Soil Type: Average/Poor/Moist well-drained, pH 6.1-7.8
USDA Zones: 8-11 (As Perennial) All Regions of North America (As Annual)
Sow Indoors: Winter/Spring (4-6 weeks before last frost)
Sow Outdoors: Spring/Fall - in warmer climates
Seed Depth: 1/4 Inch
Germination Time: 10-14 Days