Fat plants

Frozen plants

Frozen plants


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Question: Frozen plants


Hi, because of the cold, the succulent plants have frozen, are there any remedies? or have they died completely? thanks

Answer: Frozen plants


Dear Grace,
many succulents endure frost without problems, even if intense, even if the temperatures are below -10 ° C, others bear it for short periods, others still originate from areas with a perpetually mild climate, and therefore also temperatures lower than 5- 6 ° C they ruin them dramatically; the fundamental problem, even if all your plants were of very frost-resistant genres and varieties, is in the humidity: many succulents that are resistant to the cold, can be left quietly outdoors, only if the soil is definitely well dry and dry, without water. In fact it is the water present on the plants and in the ground, in contact with the roots, which ruins the plants resistant to frost; those that are poorly resistant to cold, are instead ruined even simply by some gusts of very cold wind.
That said, when a plant receives excessively low temperatures, even frost, the cells inside the non-woody stem and leaves die; it is as if the frost made them explode.
Later all the exposed parts tend to become at first soft and floppy, and later they can degenerate into necrotic, dark and rotting tissues.
The extent of the damage done to your plants depends very much on how long they spent in the frost, and how wet they were; if the soil has also been involved in intense cold, then the root system is also likely to have suffered damage, in which case it is highly unlikely that your plants will recover.
If instead only the stems have undergone frost, or fortunately only the tips of the plants have remained frozen, then you still have some chance of saving your plants.
In fact, if the plants are completely soft and limp, then you should throw them away immediately, replace them in the spring with new plants; if instead your plants have frozen areas, with spots and soft parts, but a good part of the stem is still healthy and turgid, then you can hope to save a little of what remains.
Proceed by removing all the parts ruined by the cold, using a sharp and clean knife, possibly sterilized, since the cold and the rotting parts may have opened the way to bacterial or fungal diseases; then clean and sterilize the knife at each cut, to prevent the transmission of any plant-to-plant diseases.
Once removed the part ruined by the cold, throw it, and cultivate your plants "pruned" as always, watering them only on the ground and only if the substrate is well dry. Avoid exposing freshly pruned plants to full sun for many hours to prevent them from getting sunburned.
Surely the result will not necessarily be aesthetically beautiful, especially if your plants are single-trunked cacti; but the cactaceae will in time be able to sprout around the wound that you caused with pruning, returning beautiful and healthy.
As for other types of succulents, pruning at the base often makes it possible to obtain more healthy and aesthetically more beautiful and luxuriant plants.



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