欲要花卉按人们的需要适时开放，就应调节环境条件和其生育过程。可采用以下4项技术措施。1．调温。（1）加温处理：只要在高温下就能形成花芽的花卉，如月季、茉莉、米兰、瓜叶菊、大岩桐等，只要提前加温，就能在需要开花时如期开放。对于正在休眠越冬但花芽已形成的花卉，如 For flowers to be opened as needed by the people, environmental conditions and their reproductive processes should be adjusted. The following four technical measures can be adopted. 1. Temperature adjustment. (1) Warming: As long as the flowers that can form flower buds at high temperature, such as rose, jasmine, Milan, cineraria, bigwort and so on, as long as the early heating, you can open as scheduled when the need for flowering. For flowers that are already dormant but winged but buds have formed, such as