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Effects of above 95% humidity

Gabriel_OD
Gabriel_ODstarted grow question 2 years ago
Could above 95% humidity harm the plants on Germination stage? What kind of effects could it occurs?
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Germination. Other
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ernest_twwg
ernest_twwganswered grow question 2 years ago
Nope, it won't harm the seedling directly. There are indirect ways it could harm it, though. Powdery mildew could be more likely to pop up on it, which isn't that harmful to the plant, but pretty unsightly. Different molds could pop up that might effect growth of your plant. I'm not quite sure if high humidity can promote diseases, but now that I think about it, I'm going to have to research it later. But, for the most part, I'm pretty sure you're safe. You'll definitely want to get the humidity down by the time the plant starts vegging, though. I like to shoot for around 60% in my veg room. I hope this helps. Happy gardening!
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Ultraviolet
Ultravioletanswered grow question 2 years ago
Soon as you see coteloyden, crank back humidity, the high rh is only to help keep the seed shell /medium soft for easy germination. Plants breath in through holes on back of leaves, the holes are called stomata. This is required to intake co2 and start photosynthesis. Rh above 65 and the plant will start to choke on the high water content as it seeks co2, leading ti to close its stomata and greatly stunting growth.
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AsNoriu
AsNoriuanswered grow question 2 years ago
No, it wont be for so long to influence. Even with soil, if top lair is not rought from time to time, i get some green shit growing. Nothing to worry, keep higher temps and you will be amazed !!! Vpd chart, very interesting thing, have a look ! Happy Growing!!!
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Chow_13
Chow_13answered grow question 2 years ago
Don't think so, Like others have said mold and the worst would be having an increased chance of "Damping Off" You will want to get it down for veg though as high humidity can hinder nutrient uptake. Lookup VPD chart and stay within range for temp/humididty
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Brewer1112
Brewer1112answered grow question 2 years ago
I have kept it through germination and seedling phase at 99% humidity a couple time before. Just make sure you up the temp, airflow, and if possible co2. When I did all three I usually had better results than the typical 75° and 65% humidity.
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Anonymous_2022
Anonymous_2022answered grow question 2 years ago
Hi there I dont think it will be a problem at the stage there at .. but if it was me i would try to lower around 70-80 if you can 👍 Best of luck 🌱
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