花卉主要分为耐寒和惧寒两种。大多数来自热带和亚热带地区的花木,10℃以下时就会停止生长并进入休眠期,否则容易冻坏枝叶或被冻死。如南洋杉、朱蕉、袖珍椰子、米兰、君子兰、茉莉、凤梨等植物和直接种在盆内的花色仙人球等,室温宜保持在3℃～5℃左右。而榕树、棕竹、橡皮树、芦荟、鹅掌木、昙花、令箭等,最低室温宜在1℃～3℃或再高。如月季、杜鹃、桂花、铁树等属于 Flowers are mainly divided into two kinds of cold and fear cold. Most of the flowers from tropical and subtropical areas will stop growing below 10 ℃ and enter dormancy period, otherwise they will easily freeze or freeze dead leaves. Such as Araucaria, Zhu Ban, pocket coconut, Milan, Clivia, jasmine, pineapple and other plants and flowers planted directly in the basin of cactus, etc., should be kept at room temperature 3 ℃ ~ 5 ℃. The banyan, brown bamboo, rubber tree, aloe vera, goose palm, Epiphyllum, so that the arrow, the minimum room temperature should be at 1 ℃ ~ 3 ℃ or higher. Such as the rose, rhododendron, sweet-scented osmanthus, iron tree belong to