How low can the temperature be before a cactus dies
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How low can the temperature be before a cactus dies
The lowest cold tolerance temperature of a cactus is around 0℃, and it will not freeze to death above zero, as this cold tolerance is relatively poor. When the ambient temperature is below ten degrees Celsius, most varieties of cacti will freeze to death. Only a few varieties may survive, but if the soil is frozen, their roots cannot breathe, and it is easy to die from water rot after the temperature rises.
At what temperature will a cactus ball freeze to death
Generally, when the temperature is below ten degrees, cacti do not need to be watered or fertilized, at which point they start to hibernate or winter. When the temperature is higher than 15 degrees Celsius the following spring, they begin to revive.
Therefore, cacti are not frost-resistant and can only tolerate low temperatures of about 5℃ in winter. To survive the winter safely, the lowest temperature needs to be controlled between 5-10℃. If they live in an environment below 0℃ for a long time, cacti will freeze to death.
Even the most frost-resistant cacti will freeze solid when the temperature is below minus ten degrees Celsius. When the temperature rises, the cactus will die from water rot. If lucky, the roots inside the flower soil that have not frozen will sprout new lateral buds the following spring.
The temperature needs to be higherIt is well known that cacti are desert plants. So, if we want to grow them well, we must raise the temperature. Generally, when the temperature is below zero, their succulent plants will suffer frost damage, resulting in a softening phenomenon.
Therefore, if we want them to grow normally in winter, we must adjust the temperature to above 10 degrees Celsius and never too low. They can be kept indoors for maintenance and should not be placed outdoors where they can be exposed to cold winds.
Water controlCacti require very little water, and they do not need to be watered too much even in spring and summer. Therefore, in winter, it is even more unnecessary to water excessively, as it can easily lead to problems.
For example, at this time of the year, it is best to control and stop watering the cacti, or they may easily rot. If you water them once before winter arrives, that should be enough.
If your cactus appears to be withered, it is not necessarily all due to insufficient watering. Generally, a lack of water in winter does not cause severe softening.
More sunlightThis point is also very important. As we all know, when maintaining succulent plants, they are placed in very sunny areas, and the same is true for cacti.
This way, they can absorb enough energy during growth and convert this energy into nutrients, storing them in the plant to survive the winter healthily.
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