Vinca is the most popular, most sold and most planted warm-season bedding plant in Louisiana. We sometimes call this plant periwinkle.
Vinca (Catharanthus roseus) is highly drought-tolerant and has a long blooming season. It also can tolerate the highest temperatures we face during the summer growing season.
For success, plant vinca May 1 or later. The soil needs to be acid for best results. Limit the amount of overhead irrigation and plant in full sun.
Top varieties to plant are Cora (seed propagated, rot resistant), Nirvana (vegetatively propagated, rot resistant) and Titan (largest flowers).
Allen OwingsRick Bogren
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