After autumn, the weather began to cool. At this time, the flowers have entered the late stage of growth. It is necessary to reduce the fertilizer with relatively high nitrogen content and increase the phosphorus content. This kind of organic fertilizer can promote the root growth. Gradually reduce the frequency and amount of watering, and enhance the cold resistance of roots. After entering the dormancy state, you can turn over the soil well, and then with the use of organic fertilizer, to improve the nutrient content of the soil, help flowers improve their ability to withstand the cold.
The flowers planted in many courtyards are easily damaged in winter, especially peony and tulip. Take advantage of the cold current has not yet invaded, to cover the root of these flowers around the ground with some leaves, films and other thermal insulation materials, which can effectively alleviate frostbite and frost damage, the next May will be able to remove the covered things.
Before winter, the roots of flowers should be cultivated and covered with a thick layer of soil for heat preservation. When the flowers begin to grow in spring, the soil should be excavated and watered properly to make them grow normally.
There are some flowers with large size, which can not be managed by general methods. At this time, you can cover it with straw curtain or plastic film, and then tie it with twine. Some flowers are easy to be affected by the cold wind. At this time, a wind barrier can be built near them, and covered with tarpaulins or straw mats around them. This method can effectively resist the cold air and help the plants survive the winter.
