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1

If tree roots are getting in your bed every year then you could do one or both of these: every spring trench around the bed and cut any roots that have grown towards it. I suggest that either trees are close or water is in short supply if roots are that aggressive food grade pond liner is environmentally inert, lasts for 25 years and roots cannot ...


3

For most plants: The above-ground portions of plants should be dry the vast majority of the time. Fungus and insects love a moist plant. There is very little respiration/aspiration through green stems, and almost none through woody stems. Air flow requirements around a plant's stem are almost always pest-related. Roots need oxygen. Aeration/drainage ...


5

Generally speaking, plants do not use their stems to breathe but there are always exceptions (like cacti). The rule is that plants respire through their stomata, which are (typically) located on the undersides of leaves. edit/note: A qualification should be made regarding my overly generalistic statement above. There are lenticels on stems which means that ...


4

Lucky fluke I think - many plants can be propagated by layering, when they will form rootlets from the stems, but usually, a shoot is layered while its still attached to the mother plant, until it forms roots of its own, at which point it's severed and grown on. Plants like ivy (Hedera), Jasmine and many others commonly produce roots along their stems if ...


4

The roots look healthy enough. Given it's a pepper it's probably ok it is getting potbound, but it will need a new pot (only 1" to 2" bigger though) sometime. I guess you know removing a plant from its pot is very stressful for the plant so only do it when repotting. Leaves look very like they're being attacked by something, probably an insect. I doubt it ...



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