1、 It can be opened in winter

Generally speaking, the natural flowering period of Marigold is from July to October. Due to the differences of regions and varieties, the specific flowering time may be slightly different. However, it generally does not open in winter. However, because it can now provide a better environment for its opening to prolong the flowering period, that is to say, it can open in winter. However, this situation is relatively rare, requiring patient maintenance, and sometimes special environment, such as greenhouse, etc. In addition, chemicals are sometimes used as an aid

2、 How to promote it to open in winter

1. Temperature: temperature suitability is the first factor to be guaranteed. If the temperature is very low, it is very difficult to make marigold bloom. Specifically, it needs to be more than 20 degrees, but not more than 30 degrees. Too high temperature is also not suitable for flowering. Within this range, it is easy to promote its flowering. It can be placed in the warmest place in the house, and the effect is good

2. Light: flowers need the help of sunshine to bloom, especially when the light conditions are not very good in winter. At this time, it should be exposed to more light as far as possible, and it is better to put it next to 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 regulate the flowering period and can be used in appropriate amount