Newbie greenhouse question

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MsKatt Charlevoix, MI(Zone 4b) Apr 05, 2007

I have a small, 8 x 8 x 6 portable greenhouse. Stupid me, I moved my plants out there on the 1st of April forgetting that I live in Michigan and just because it's 70 one day doesn't mean it won't be 25 the next.

I put a space heater out there because it was supposed to drop to 19 last night. When I went out this morning, it definitely felt warm (above 70), but my thermometer said 48. I thought my thermometer might be broken so I put another one out there. This one is a remote that has a base unit in the house. Right now it is 46.8 F out there according to the remote sensor. It is 28F but the wind chill (really feels like) is 13F.

I don't have anything REALLY tender out there. I have some morning glories, cedar saplings, pussy willows and that's about it. I moved them out so I could start my annuals in the basement. I really don't have room to bring them back in. At what point should I bring them in and cover every flat surface in my house??? Do I need to worry if it stays above 40F in the greenhouse? I just don't want to waste all that time/money/work on my babies if they are going to freeze!!

Thanks so much,
Michelle

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stressbaby Fulton, MO Apr 05, 2007

I think you'll be OK if it stays above 40F. Be careful about overwatering, however.

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ecrane3 Dublin, CA(Zone 9a) Apr 05, 2007

I agree--I had a whole greenhouse full of tropicals all winter and the temp overnight frequently went into the 40's and everything was fine, even things like my Plumerias.

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MsKatt Charlevoix, MI(Zone 4b) Apr 05, 2007

Thanks for the replies. I ended up bringing everything inside and putting it in the basement. The temp dropped to 36F (by 8:30pm) inside the GH...my babies were starting to look stressed. It's supposed to be colder by 2 or 3 am..

Maybe next week, lol!

Michelle

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dylancgc Fair Grove, MO(Zone 6b) Apr 24, 2007

I have a 6x8 greenhouse and I put a couple of heat lamps in it and my plants stayed pretty good even in that really cold weather we had a few weeks ago when it got to 18 one night. The greenhouse stayed around 45-50 degrees. I have had seedlings out there since Feb 1st. I lost some things this spring but I don't think it was because of the temp in the GH.

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