There are many factors that affect the flowering, including two main external factors, light and temperature, and the internal factors such as gibberellin acid (GA) and autonomous elements.

• 影响拟南芥开花时间的因素有很多，其中光照和温度是两个主要的外部因素，而赤霉素(GA)和一些自主性因子是主要的内部因素。