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Canada

I was wondering if I used coals in a steel bucket inside hoop on cool nights would it have any ill effect on the plants inside hoops right jow I have coals in hoops to help warm up ground the heat stays in hoops for 24 hrs and stays nice and warm. if I keep it vented at top to let out any smoke will I be ok. Dave

5/5/2014 9:25:53 PM

Hinckley MN

there are easier ways to provide a little heat. candles put off an amazing amount of heat. gallon jugs of water store heat from the day and release it at night. even a light bulb will keep a cold frame from freezing.

5/6/2014 9:26:11 AM

Goodwood, Ontario, Canada

There should be less than a 10 degree Fahrenheit change in temperature between daytime and nighttime for optimal growing. Also for optimal growing of most plants a temperature of 73.4 Fahrenheit should be maintained. Obviously unless you have a controlled environment this will not be possible. I mist at 80 degrees or above and close up the hoop house as temps drop below 70 degrees. A ceramic heater keeps my plants toasty at night.

5/8/2014 1:33:36 PM