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move seedlings to coldframe?

Posted by gardenerwannabe6 ok (6/7) (My Page) on
Fri, Mar 11, 11 at 9:09

I sowed lettuce seeds 5 days go and they're coming up nicely. They're under lights currently. I'm wondering when I could put them in the coldframe outside? The nighttime lows are mid 40's to 50's. I'm wondering if this would be too much of a shock while they're still so young or is it safe to go ahead and put them out?
Thanks for your input!

Follow-Up Postings:

RE: move seedlings to coldframe?

I would need to know more about your coldframe. Does it have a automatic vent system to open when the sun raises the temperature from 50 to 90? The 50 degrees night time temperatures would not be a problem for your lettuce, but I think I would wait until the seedlings were at least an inch or so high. Al

RE: move seedlings to coldframe?

What are your temps outside right now? It may be better off just getting them in the ground instead of in a cold frame. I would worry about you cooking them in the coldframe like Al had said.

Lettuce love 40-60* I think it will be too hot during the day unless you prop open your cold frame or just set them in the ground.

I would harden them off ASAP and get them outside. Al's way would work too, after 1" of growth, I just think lettuce tastes so much better when outside in the chilly air!


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