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Question: New seedlings
I bought some fat seedlings, some very small at 0.80 euro cents and others slightly larger in 4-5 cm jars from 1.75 euro.
I have read the instructions that in other posts have been indicated for repotting, the preliminary operation seems to me to be the prewash especially when the peat stick is clinging to the roots. I applied this operation especially to the small ones, the peat bun was actually very dry. For a small cactus, on the other hand, it seemed to me that another type of soil had been used that was actually immediately shaken by the roots, so I avoided letting the roots take air for 7 days and I immediately put it down in a jar. Do you think this operation can be corrected if the soil used by the nursery is adequate? Or is the pre-wash necessary in any case, so wet the roots a little and wait 7-10 days? Is it always necessary to wait so many days to ventilate the roots?
Thank you for your kindness, I await your reply.
Answer: New seedlings
cacti are plants originating in Central and South America, where they live in very porous soils, mainly consisting of pebbles, in conditions of great dryness; for this reason their roots tend to be much better in conditions similar to those of the areas of origin. In nurseries that produce succulent plants, they usually grow them in very small pots, with an unsuitable substrate, which they provide by supplying the fungicidal plants, or other products that keep them alive and make them grow quickly. For this reason, it is usually advisable to repot them immediately as soon as they are purchased, because it would be very difficult to grow them in an unsuitable substrate. The problem lies in the fact that, at the time of extraction from the small vase in which they were, and during the operations of removing the earthen bread in which they are placed (often tightly clinging to a tiny hard and hard earth bread), it often happens that some roots break. The waiting time before the plants are again placed in the ground is recommended to allow the roots to heal completely. If immediately buried, there is a risk that the broken roots will rot in the ground, which can lead plants to death. For this reason we usually leave the plants in a well-ventilated place for about 3-7 days, which does not harm the plants in any way, which in some cases can survive without water even for a month, without suffering consequences. If it is really not possible to let them dry, once they are buried, avoid watering them for at least a week, so that the roots have a way of repairing themselves already in the ground. It is not necessary to wash the roots; usually just before removing the plants from the jar, they are watered, so that the ground bread rehydrates, and it is therefore much easier to extract the plant from it, without ruining the roots. If you have wet the soil carefully, to make it soft and moist, it is probable that the roots were not damaged by repotting. Immediately after having repotted them, leave them in the dry soil, so that they recover from the stress caused by the repotting itself.