This actually isn't a banana specific question (my banana won't be big enough for this to cause a problem for a long time) but I might be running into this problems with some other plants.
The problem being soil compacting too much and causing problems with aeration. Suggestions to prevent this are things like a layer of clay pellets in the bottom of the container, sand or even rocks.
However:
Quote:
Originally Posted by Richard
Smart pots are a great way to kill plants. Customers bring them in all the time. Fungus and pests get into the water supply and kill the plants from the bottom up. It's the next worst thing to putting a layer of rocks in the bottom of your pots.
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So uhm...is taking them out of the pots and putting them back in every year the best solution? Or is there anything that can be used that doesn't have this problem?