Periwinkle can be pruned, usually in spring or early summer from April to July. At this time, the temperature is suitable, light enough to meet the growth habit of periwinkle. And periwinkle is in the vigorous growth period, so the survival rate of pruning will be greatly improved.
Periwinkle cuttings method
1, preparation of soil
:Periwinkle cuttings, the substrate is generally peat, perlite, vermiculite, watering once can be used.
2, cut the branch
:Cut a 10cm long branch of periwinkle, use scissors to cut off the leaves on both sides, and leave 2 leaves on the top. Use scissors carefully, it is better not to use your hands to avoid infection.
3, insert the substrate
:After the cuttings, take cuttings in the spring or early summer, which is a period of higher temperatures, conducive to rooting. When taking cuttings, the depth of cuttings is one-third in summer and two-thirds in spring.
Precautions for periwinkle cuttings
When pruning periwinkle, slant the cuttings and apply carbendazim to sterilize them. After the cuttings should pay attention to control watering, so as not to accumulate too much water to cause excessive moisture in the pot soil, affecting the branch root growth. At the same time, when the summer sun is too strong, pay attention to shading to prevent the top leaves from being sunburned.