Cold resistance temperature of elm
Ulmus pumila has a certain cold tolerance, and the minimum tolerance is about MINUS four degrees. However, in the cold winter, appropriate warm-keeping measures should be taken for Ulmus pumila, and measures such as reducing watering amount, increasing illumination and pruning can safely spend the cold winter.
Cold Resistance Temperature of Ulmus pumila in Northern China
The minimum tolerance temperature of elm in northern China is about -4℃. Elm is a deciduous tree, which will go into dormancy in winter. Artificial elm trees need artificial heat preservation measures to survive the winter safely.
Growth temperature of elm
Elm likes warm climate, and the optimum growth temperature is about 65438 05℃. It is safe to overwinter above 0℃. It is not heat-resistant, but maintaining high temperature will affect its growth.
Ulmus pumila overwintering
Elm has certain cold tolerance and will not freeze to death in winter. However, in areas where the temperature is too low, insulation measures are still needed. In winter, it is best to move the potted elm indoors for maintenance, control the temperature at about 0℃, and sprinkle some sawdust or coal ash on the surface of the pot soil to make it hibernate smoothly.