The main cultivated varieties of litchi include March red, round twig, black leaf, Huaizhi, Guiwei, Nuomici, Yuanhong, Lanzhu, Chenzi, Gualv, crystal ball, Feizixiao, white sugar poppy, etc. Among them, Guiwei and Nuomici are the best varieties, and also the choice of fresh food. Hanglv is a rare variety. "Luogang Guiwei", "Bi Village Nuomici" and "Zengcheng Gualv" are known as "three outstanding litchi". Huiyang Town has Longgui flavor, and glutinous rice paste is more delicious and sweet.
Litchi likes high temperature, high humidity and sunshine. Its heredity requires relatively low temperature during flower bud differentiation, but the lowest temperature is - 2~- 4 ℃, and it will suffer from freezing damage; During the flowering period, sunny and warm weather without dry heat is the most favorable. The humidity is too low, and it rains continuously. Dry and hot weather or strong north wind are unfavorable for flowering and pollination. In the flowering and fruiting period, adverse disastrous weather will cause flower and fruit loss, or even loss of harvest.