Pansy, also known as iris, is similar to butterfly in petal shape. Viola tricolor is a common wild flower in Europe. It is also cultivated in parks. Pansy should be planted in open air, no matter in flower bed, garden or pot. Now let's know the cultivation technology of pansy~
Cultivation techniques of Viola tricolor
Basic knowledge of Pansy:
Viola tricolor potted every 17 cm potted plant 1 plant, flower bed plant spacing 15-20 cm. The best cultivation soil is rich in organic matter, or 30% peat soil, 20% snake sawdust, 40% loam soil and 10% compost. All kinds of organic fertilizer or N, P, K are good. Cutting off the residual flowers immediately after the flowers wither can promote the flowering again. After the end of spring, the temperature is higher, and the flowering is less and less.
Pansy like cold or warm, avoid high temperature and humidity, suitable temperature for growth is 5-23 & deg; C. In case of sudden heat and high temperature above 28 & deg; C, good ventilation should be made to reduce the temperature to prevent withering and death. The disease can be controlled by Proctor, Yili or Dasheng, and the pest can be controlled by sumidasone and Wanling.
The cultivation techniques of Viola tricolor are as follows
It is difficult to keep the best growth condition when the plant is placed outdoors. Negative temperature difference between day and night is helpful to make the plant shorter and higher quality. Be careful not to get hot.
Pansy like cool, and need full light, the best part of the retail shade, reduce water loss.
Don't water too much, because pansy grows in shady area, the water will not be released quickly, and the water needed is not much.