About periwinkle
Periwinkle, for the oleander family, periwinkle genus a plant. Alias marigold grass, four times spring, day new, thirty thousand flowers. Taiwan breeding a number of varieties, breeding to the trend of larger flowers.
The growth habit of periwinkle
Periwinkle likes high temperature, high humidity, semi-shade tolerance, intolerance of cold, the optimal temperature of 20 ℃ -33 ℃, like sunlight, avoid wet and fear of flooding, general soil can be cultivated, but saline soil is not suitable, well-drained, ventilated and breathable sandy or humus-rich soil for the good, flowering, fruiting almost throughout the year.
The distribution range of periwinkle
Periwinkle is native to the Mediterranean coast, India, tropical America. China's history of cultivation of periwinkle is not long, mainly cultivated in the south of the Yangtze River, Guangdong, Guangxi, Yunnan and other provinces (autonomous regions) cultivation is more common. Chinese provinces and cities from the world to introduce a number of new varieties of periwinkle, for potting and planting trough ornamental.