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Thread: Temperature or Humidity?

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    Formerly known as Pineapple Nepenthesis's Avatar
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    Temperature or Humidity?

    It's been cloudy the last few days, so daytime temperatures have been around 60F or less and the greenhouse stays about that temperature since its not in the sun to warm up. When I turned the heater on, it dropped quickly to 40% humidity from around 70%... When I turned the swamp cooler on, it quickly cooled off to the outside air temperature... So what is more important to highlanders: temperature or humidity?

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    Plant Addict!! tje25's Avatar
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    IMO I would say temperature for sure

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    hcarlton's Avatar
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    Neps are very finicky when it comes to humidity changes. Too large a drop will make the flop, however if this happens for no more that an hour, and humidity goes back up, they're usually fine. The cool temps will not hurt most highlanders, however if there are lowlanders, you need both or they'll go downhill.
    Everything has a reason, whether big or small. Never underestimate the power of what is or is not.
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    Whimgrinder's Avatar
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    Quote Originally Posted by Pineapple View Post
    It's been cloudy the last few days, so daytime temperatures have been around 60F or less and the greenhouse stays about that temperature since its not in the sun to warm up. When I turned the heater on, it dropped quickly to 40% humidity from around 70%... When I turned the swamp cooler on, it quickly cooled off to the outside air temperature... So what is more important to highlanders: temperature or humidity?
    Don't you pull back the shadecloth on cloudy days? You should be capturing more solar on a cloudy day if you pull it back.

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    Formerly known as Pineapple Nepenthesis's Avatar
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    Quote Originally Posted by hcarlton View Post
    Neps are very finicky when it comes to humidity changes. Too large a drop will make the flop, however if this happens for no more that an hour, and humidity goes back up, they're usually fine. The cool temps will not hurt most highlanders, however if there are lowlanders, you need both or they'll go downhill.
    I guess I won't heat them on cooler days then. They should be able to take 60F days for a few days at a time.

    Quote Originally Posted by Whimgrinder View Post
    Don't you pull back the shadecloth on cloudy days? You should be capturing more solar on a cloudy day if you pull it back.
    Can't really be easily done... I have it taped down in a bunch of different places. I need to rig up something I can just slide it back and forth on though.

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    Plant Addict!! tje25's Avatar
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    Quote Originally Posted by hcarlton View Post
    Neps are very finicky when it comes to humidity changes. Too large a drop will make the flop, however if this happens for no more that an hour, and humidity goes back up, they're usually fine. The cool temps will not hurt most highlanders, however if there are lowlanders, you need both or they'll go downhill.
    I'm not sure about that... my humidity can easily drop into the 20's or so and stay there for long periods of time! My neps stay just fine when this happens, they just stop pitchering if it goes on for more then a month or so. where as too hot or too cold of temps can easily kill them...this is just my experience, could be different for everyone

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    Plant Addict!! tje25's Avatar
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    but 60 for a few days at a time is fine im sure!

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    in my experience they can take temps in low 60's for long periods with no ill effects just grow slower,but with low humidity the lids would shrink on unopened pitchers and they sometimes stopped the production of pitchers

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