Hot Roots in "Tainers?
i posted this in another thread, but i will post it here also. This is my second year with 'tainers on a black rubber garage roof. Both years the plants have basically struggled and quit in July when it heats up - ber, blossom drop, leaf curl, stunted growth. I have meticulously followed directions this year and have flushed with Fox Farm Sledgehammer. I thought last year it might have been salt build-up. While they are up on wood leveling platforms a couple of inches, i am thinking now that the heat is too much for the roots. It is 95 ambient today, a bit over 100 ambient on the roof, and 120 sitting directly on the rubber. I just went to Lowes and purchased some 24" Reflectix double bubble reflective wrap and put a skirt on each 'tainer. Bought some cheapo nylon rope and some bungees to hold it on. We'll see if that helps.
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