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Maximum Temp for Cuttings?

I have 4 Greek Church cuttings that I potted up. They have just a few small leaves, and fair roots. My question is; how hot can they get before it's detrimental. The window I have space for them regularly gets 85-90. Is that too hot?
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The temperature should be okay if the humidity is high enough to prevent the cuttings and young trees from drying out.  Home heating is very dry.
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Originally Posted by dkirtexas
The temperature should be okay if the humidity is high enough to prevent the cuttings and young trees from drying out.  Home heating is very dry.

The humidity should be ok. I have plastic bags over the top. Humidity looks to be 67% or so. I moved them though. Temps were getting to be about 92f in the bag. Don't want to take a chance with my very first cuttings!
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Originally Posted by ThaiFig
My daily temps vary from 75F at night to 95F by mid afternoon.  At 95 I don't expect I'm getting much root growth.  But it's not killing the cuttings either.

Good to know, since some of my cuttings will have to go in the window. No other space for them pretty soon.
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I have rooted cuttings with my max temps hitting 85-87. If the pots or soil starts feeling to hot you can always wrap the cups with something.

If you water during this peak time it may help to cool them.
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