How to Grow a Christmas Cactus: Detailed Guide to Care Methods and Precautions

When growing a Christmas cactus, you must pay attention to several aspects: temperature, fertilizer and water, repotting, pruning, and pest and disease control. Repotting should be done in March-April of the following year, with the temperature kept at 10-25 degrees, avoiding sudden temperature changes or excessive temperature differences; in addition, use mainly dilute liquid fertilizer, and prune promptly after the flowers fade.

Grafting and cuttings of the Christmas cactus:

1. To propagate a Christmas cactus by cuttings, choose 3-7 healthy, robust segments of the Christmas cactus; generally, inserting about 1.5 segments into the potting soil is enough. A vigorously growing plant can bloom the following year, a weaker one blooms in the third year, and thereafter the number of flowers increases year by year.

2. To graft a Christmas cactus, first choose a good rootstock (a cactus), and do it on a sunny morning from late March to mid-June and from mid-September to mid-October. For grafting, use a sharp knife (a razor blade will do). First, cut both sides of one basal segment of the scion diagonally into a duck-bill shape. The cut surface should be 1.5-2.5 cm long, and it is best to make it with a single cut to aid survival. Then make a vertical cut at the top of the rootstock, with the width and depth of the cut slightly larger than the cut surface of the scion. Quickly insert the prepared scion into the cut in the rootstock. After the scion is inserted into the rootstock cut, because there is a lot of sticky slippery liquid, the scion tends to move around, so hold it in place with your hand for half a minute, then use the prepared cactus spine to pierce horizontally through the rootstock and scion so they are strung together; you can also use a wooden clothespin to clamp and secure them. Finally, place the grafted pot in a cool, ventilated place sheltered from wind and rain (be careful not to let water touch the graft union); survival can be expected in about 20-30 days.

When growing a Christmas cactus, be sure to maintain a certain duration of light, generally 8-10 hours of sunlight, and it will bloom in 2-3 months. In addition, in winter it should be placed indoors, and the lowest temperature must not be below 10 degrees, otherwise it will affect subsequent blooming.