Sweet Sapphire grapes need to be bagged in the rain shelter. One of the common management practices for the 'Rain Shelter Sweet Sapphire' grape variety is the use of bagging. Bagging is the process of placing clusters of grapes into clear bags designed to protect the clusters from insects, diseases and inclement weather, and to improve the quality and appearance of the fruit. The use of the bagging technique shields the clusters from insect pests such as fruit flies and moths. Avoiding damage from insect pests can improve fruit quality and yield. Bags can reduce the spread of diseases, especially some fungal diseases that attack the fruit. Reducing the incidence of diseases can keep the fruit in a healthy condition. That's why Rain Shelter Sweet Sapphire grapes need to be bagged.