Light vs Heat: when to shade greenhouse?
Even though I live in Norway, the greenhouse heats up considerably in full sun. I have 50% reflective shade cloth, but am unsure when to use it. At what temperature is shade more important than full light?
Over how long a period and at what temperature will sustained heat lead to blossom drop?
Nights are cool here, but I don't let the greenhouse temperature go below 62*F.
Steve
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