What is the minimum temperature that cacti can tolerate in the cold?
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What is the minimum temperature that cacti can tolerate in the cold?
Cacti have a certain level of cold tolerance and can generally endure temperatures as low as 5 degrees Celsius. However, if the ambient temperature drops further, they may experience slow or halted growth. If left outside in winter, they might freeze to death, especially in northern regions. It's essential to move them indoors promptly as winter approaches and maintain an indoor temperature above 5 degrees Celsius.
Cacti originally grew in desert areas, are highly resilient, and not only have strong drought resistance but also some cold tolerance, allowing them to grow healthily in low-temperature environments. It is quite easy to keep and maintain a pot of cacti during winter, and they have good ornamental value.
Cold tolerance temperature of cacti
Cacti have a certain level of cold tolerance and can generally endure temperatures as low as 5 degrees Celsius. However, if the ambient temperature drops further, they may experience slow or halted growth. Therefore, it is necessary to adjust the temperature appropriately, keeping it around 20 degrees Celsius.
Will cacti freeze to death if left outside in winter?
Cacti have relatively weak cold tolerance, and if left outside during winter, they might freeze to death, especially in northern regions. It's crucial to move them indoors promptly as winter approaches and maintain an indoor temperature above 5 degrees Celsius.
Key points for cacti to survive winter
1. Insulation measures
After the temperature drops in winter, you can move the cacti to a warm room or wrap them with plastic film to provide insulation and keep them warm. Also, be careful not to keep them in a dark environment for an extended period, and try to ensure they receive at least 5 hours of sunlight every day.
2. Watering care
Cacti have a certain level of drought tolerance and can grow well in barren deserts. It's not suitable to overwater them in winter, and you can choose to stop watering, keeping them in a dry environment. Spraying water on the plant surface once a week is sufficient.
3. Ventilation care
Maintaining good ventilation during winter care is essential. Regularly open windows to maintain good air quality, which can reduce the occurrence of diseases. If the cacti show signs of wilting, check their roots to see if they have rotted, and if so, prune them further and消毒 with carbendazim.
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