Annual vinca or periwinkle (Catharanthus roseus) is a summer flowering annual popular in Southern and Midwest gardens (USDA hardiness zones 9-11). When summer’s heat and humidity soars, vincas look their best and bloom the heaviest. Vincas sparkle in containers, in flower beds, or in front borders around building foundations. Transplants are set out in mid-spring […]
Archive for April 23rd, 2014
Don’t Shy Away From Annual Vincas (Periwinkles)
Posted by Hugh on April 23rd, 2014
Posted in acidic soil, Butterflies, Disease resistant, Drought tolerant, Flowers, Heat Tolerance, mulching, Periwinkle (annual vinca), plant nutrition, Southern Appalachian Region, Spring flowering, Summer flowering, Summer heat tolerant, watering tips 
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