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Starting Seeds Outdoor in a Cold Frame

Posted by browndd1 none (My Page) on
Fri, Mar 9, 12 at 8:49

I would like to start some seeds outdoor in my newly built cold frame and I have never done this before. The cold frame has a heater, heat mat and fan installed in it. Once the seeds emerge and I take the dome off of the flat is it necessary to keep the heat mat going on the transplats at their temperature range or do I turn it off and just control the temperature of the cold frame?

Follow-Up Postings:

RE: Starting Seeds Outdoor in a Cold Frame

browndd1 welcome to the GardenWeb. To give the best advice it is important to know where you garden. Most of us put the zone right with your name. Al

RE: Starting Seeds Outdoor in a Cold Frame

Zone 6b Calistoga

RE: Starting Seeds Outdoor in a Cold Frame

  • Posted by gjcore 5 South Aurora Co. (My Page) on
    Sat, Mar 10, 12 at 20:40

2 heaters and a fan sounds a bit overboard to me. Shouldn't need a fan at all. I use some heat in my coldframes but only during very cold nights.

What is it that you are trying to germinate?

RE: Starting Seeds Outdoor in a Cold Frame

I only have one heater in my cold frame and it is a 150 watt element with no fan. The reason I installed a small fan in the cold frame was to distribute the heat and get even temps throughout the cold frame. I st?arted the lettuce and spinach in the house and kept the temps 70f. Therefore, since they were only two weeks old or so, I figured I needed to keep them around 60-70f. What do you think

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