New answers tagged potting-soil
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The biggest reason you don't use ordinary garden soil in pots is because of possible pathogens - there are many pathogens in open soil which aren't a problem there, but might well be so contained in a pot. The same is true of compost which has not been produced using an aerobic, hot method of composting. Most people's compost is made anaerobically and it ...
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Firstly I assume with "plain soil" you mean dug up from outside in contrast to a bought or self-made potting mix.
Secondly a recommendation is most often just a best practice. I've seen many people do a lot of stuff I wouldn't recommend doing and do fine. That doesn't mean that there isn't a reason for the recommendation.
So for containers the main ...
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To be on the safe side, best to assume that the "root rot" may be phytophthera, which is a common fungal disease that will kill a susceptible plant very quickly, usually in wet conditions. If hoping to replant in the same spot, certain precautions are necessary. There are fungicidal drenches that can be used, but those can cause other problems. ...
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