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Madagascar Periwinkle: A Heat-Loving Annual for Vibrant Color

Quick Facts

Season: Warm-season
Type: Annual
Light: Full sun to partial shade
Water: Moderate

Madagascar periwinkle (Catharanthus roseus, syn. Vinca rosea) delivers phlox-like blooms in shades of pink, rose, lavender, and white atop plants ranging from 4 to 24 inches tall, depending on variety. This tough annual thrives in hot, humid, or dry conditions, making it a reliable choice for summer color. Space plants 8 to 12 inches apart for a lush, continuous display.

About Garden: Madagascar Periwinkle: Heat-Loving Bloomer for Sunny Windows; Big Leaf Periwinkle (Vinca Major): The Year-Round Ground Cover Solution; Vinca Minor (Periwinkle): Ground Cover, Medicinal Uses, and Invasive Caution; Catharanthus roseus 'Peach': Subtle Peach Periwinkle; Catharanthus roseus Cora™ Series: Disease-Resistant Periwinkles; Madagascar Periwinkle (Catharanthus roseus): Heat-Loving Annual with Glossy Blooms; Catharanthus (Annual Vinca) Disease Control: Botrytis and Phytophthora Management; Cora Vinca: Disease-Resistant Periwinkle for Tough Conditions; How to Grow Vinca (Periwinkle): Indestructible Color for Hot, Dry Sites; Periwinkle (Vinca): Tough Evergreen Ground Covers for Sun or Shade

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