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Aloe safe winter management technology
Aloe vera is native to the tropical regions of southern Africa. It thrives in warm and dry conditions, making it easy to care for during spring, summer, and autumn. However, aloe is not cold-tolerant and can suffer serious damage or even die if winter care is neglected. Therefore, special attention must be given during the colder months.
Insulation is crucial for aloe's survival during winter. The minimum temperature for aloe growth is between 10–12°C. If temperatures drop below 10°C, its growth slows down significantly, and below 5°C, it becomes vulnerable to diseases. When temperatures fall below 0°C, frost damage occurs, and severe cases may result in death. To protect aloe during winter, different methods should be used depending on the region.
In southern China, where winters are milder, aloe can be moved indoors. On sunny days, it can be placed near a window for a few hours and then returned before sunset. Covering the plant with transparent plastic film can also help retain warmth. On fine days, the film should be opened for ventilation.
In central China, where winters are colder, aloe can be kept in an air-conditioned room or placed in a greenhouse. Alternatively, a pit can be dug in a sheltered, sunny spot, and the aloe can be placed inside and covered with double-layered plastic film for insulation.
In northern regions, where temperatures are extremely low, aloe should be kept in a solar greenhouse or placed near an indoor radiator. However, it’s important to separate the pot from the radiator with a wooden board to avoid overheating in one area.
Light management is often overlooked during winter. If aloe is kept in low-light or dark conditions for too long, its leaves may turn pale, and the tissue becomes soft and fragile. Therefore, it’s essential to provide as much light as possible. On sunny days, move the plant to a bright area, and in greenhouses, open the curtains to increase light exposure.
Ventilation is equally important. While providing light, make sure to allow proper airflow to reduce humidity and surface moisture. Poor ventilation can lead to mold or rot, which can kill the plant.
Moisture control is key. Aloe is very drought-resistant, but overwatering is the main cause of its death. During winter, when the plant’s water absorption and evaporation rates are low, it’s important to water sparingly. The soil should be slightly dry, not overly wet.
Proper winter care ensures that aloe remains healthy and strong, ready to thrive again in the spring. (Xiongfei, Agricultural Bureau of Zhushan County, Hubei Province)