1. Cutting propagation: it can be used all the year round, but it is best between late May and early June. Combined with pruning and shaping, the cuttings can cut off the top of the outer branches, and the lignified part at the base is slightly 20 cm long, so that they can be cut into smooth slopes with a knife, dipped in indoleacetic acid or indolebutyric acid, and then inserted into the soil with a depth of 3-4 cm, a temperature of 27-28℃ and a relative humidity of about 95%. Seal with plastic film, cover with reed curtain and shade shed, and spray water twice a day. Generally, it can take root in 60 ~ 90 days.
2. Grafting propagation: (1) Abdominal grafting: 3-year-old Sabina vulgaris is used as rootstock, and abdominal grafting is carried out near the ground. Cut 1 knife longitudinally on the rootstock, and the incision is 2 ~ 3cm. The scion adopts biennial branches, about 15cm long. Cut 1 knife on both sides of the base to make the section smooth and wedge-shaped, with a length of 2 ~ 3cm. The inside can be thinner and the outside a little thicker. After cutting, insert the rootstock in time to make the cambium closely combined and seal it with soil.
(2) Docking: it can be carried out from April to June, with 3-year-old Sabina vulgaris seedlings as rootstocks and 2-year-old wooden branches on perennial Sabina vulgaris plants as scions. The thickness of the rootstock is the same as that of the scion, or the rootstock is slightly thicker, so that one side of the rootstock and the scion branch is cut by 1 knife, which is slightly woody. Because the cortex of conifers and cypresses is thicker and slightly deeper than that of ordinary plants, the section size is basically the same, about 7 ~ 9 cm long. Immediately after cutting, the two sections are tied together to make the cambium closely combined. After 60 ~ 90 days of complete healing, it can be cut off from the female parent, and at the same time, the top of the rootstock can be cut off until the tied rope is untied in the next spring.