How to grow periwinkle – Homes & Gardens

Native to temperate regions across Europe, periwinkle is an impressive ground cover plant that will thrive wherever it is planted. Growing best from US hardiness zone 3 to zone 9, periwinkle will quickly spread and cover large borders, slopes and banks. ‘While they can be grown almost anywhere, a few hours of sunshine each day will generate the best results,’ says plant expert, Katie …

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