It is known that this kind of flower is cold resistant, but it does not mean that it must be cultured outdoors in winter. This Safflower in winter, the most comfortable temperature is actually 12-16 ℃. If you want them to bloom as scheduled, you need to raise it a little bit. It's best to reach 18-22 ℃. Therefore, friends who can't meet the requirements outside in winter must put them indoors. Once they reach 5 ℃, they will grow very slowly, the flowers will be very few, even there is no way to bloom, even if a few, the color is not as bright as normal.
If there is no flower in the previous year, you can slowly increase the amount of watering in autumn. In October, you should put it in a place with better sunshine. Before the middle of December, a little thin fertilizer can be applied, and then no fertilizer can be applied. Generally, the first flowering is in November, but the second will be later, generally in December. Before budding, you can use some fertilizer with more P content, so that the flowers can bloom better. If you spray a little Gibberellin on the buds and stems, you can make the flowers bloom faster.
There are many common diseases on the flowers, such as grey mould. If there are diseases, they must not be ignored. They must be placed in a better position of air circulation, as far as possible in a lower temperature place. Colleagues, watering should be reduced a little, and water should not be sprinkled on the leaves. When curing, there should be no wound. Once it appears, it should be dealt with in a timely manner, so as to prevent the germs from entering the plants at this opportunity. If there are dead leaves, old leaves, also do not need to be distressed, can be removed directly, so as to greatly reduce the source of bacteria.
