Winter curing temperature of lanhuadan
In winter, the most important thing for cultivating blue peony is the maintenance temperature. Most flower friends know that lanhuadan is not very cold resistant, so in winter, the temperature is very important. Generally, it can not be lower than 0 ℃. In order to make it pass the winter safely, it is best to keep it between 5 ℃ - 10 ℃ p>
Generally speaking, in the south, when the temperature is not lower than 0 ℃, the potted blue flower Dan can overwinter in the open, but it is best to overwinter indoors when the temperature is lower than 0 ℃. The ground planted lanhuadan needs to be trimmed first in winter. If it is trimmed at this time, it can be strongly cut. It is best to cut the lanhuadan into bald, and most of the branches are cut off. After all, the flowering branches of lanhuadan are the branches of that year, so you can trim them safely. The pruned blue flower pill can be put on a small shed on the plant, made a simple support and put on a plastic bag. You need to be careful against the wind p>
However, these winter methods are more suitable for most areas in the South and backup, but in areas with lower temperatures such as the northeast, it is unrealistic to spend winter indoors p>
Other matters for winter maintenance of lanhuadan
In winter, we should give sufficient light to lanhuadan, so that lanhuadan can spend the winter safely. For watering, it is generally necessary to stop watering in winter, keep the basin soil dry, and stop fertilization< span>