One, choose the soil
Suitable soil for the growth of periwinkle is acidic sandy soil, you can use humus mixed with river sand to make culture soil. This kind of culture soil is soft and airy, with good drainage.
Second, prepare the spike
Select annual shoots on the mother plant of the periwinkle, 8-10 centimeters is good, cut off the branch, and cut off the lower leaves of the branch, leaving two pairs of leaves at the top of the branch. The sap of periwinkle is toxic, and a lot of liquid will flow out of the branches of periwinkle when you cut the branches and leaves, in order to prevent direct contact between your skin and the sap, you should wear gloves when pruning.
Three, cuttings
Prepared branch cuttings into the culture soil, two-thirds of the spike to stay outside the culture soil, cuttings after keeping the potting soil moist. Keep the soil temperature at 20-24℃ and wait for about 15-20 days for the cuttings to grow roots.
Four, planting management
The cuttings can be planted into the pot after the roots grow, because the periwinkle branches and leaves grow fast, soon after the pot can be flourishing, so prepare the pots should be prepared to prepare some larger, the bottom of the potting soil should be put enough organic fertilizer, after planting the potting soil watered thoroughly, put into the cool and ventilated place of care for a week, wait until the periwinkle potting period can be put into a sunny place after the slow period. It can be put into a sunny place.