When is it appropriate to move outdoor flowers indoors?

When outdoor flowers should be moved indoors should be decided according to the cold tolerance of flowers and plants. For some plants that are not cold-tolerant, move them indoors around 5438+00 in June, and control the indoor temperature to avoid frostbite. For some plants with slight cold tolerance, wait 1 1 month before moving indoors. If it is in a warm area in the south, the outdoor temperature is also suitable. You can rest assured that it will not be frostbitten if it is maintained indoors.