Generally speaking, the natural flowering period of Marigold is from July to October. Due to regional and variety differences, the specific flowering time may vary slightly. However, it doesn't usually open in winter. However, because it can now provide a better environment for its opening to extend the flowering period, that is to say, it can open in winter. However, this kind of situation is relatively rare, requiring patient maintenance, and sometimes special environment, such as greenhouse, etc. In addition, chemical agents are sometimes used as auxiliary
1. Temperature: suitable temperature is the first factor to be guaranteed. If the temperature is very low, it is very difficult for marigold to bloom. To be specific, it is necessary to ensure that the temperature is more than 20 ℃, but not more than 30 ℃. Too high a temperature is also not suitable for flowering. In this range, it is easy to promote its flowering. Can put it in the warmest place in the house, the effect is good
2. Light: flowers need the help of sunshine to open, especially in winter when the light conditions are not good. At this time, we should try our best to let it receive more light and put it beside the window.
3. Proper ventilation: it can be properly ventilated, but the wind should not be too strong.
4. Chemical agents: due to the development of technology, some special agents can adjust the flowering period, and some can be used properly.
