Thank you, @hanen I know we have temps dropping below 20 on a few nights so I am hoping they survive.
You are viewing a single comment's thread from:
Thank you, @hanen I know we have temps dropping below 20 on a few nights so I am hoping they survive.
If it's in a greenhouse it should be fine. If you are still worried, cover the with clear or white plastic to trap the heat in and make sure the hydroponic system has enough water mass. Water has a greater capacity for heat than other materials, so while the temperature outside is below freezing, a large enough mass of water outside can be above freezing from the warmth during the day.
Fortunately lettuce is pretty cold tolerant so it should be fine. Hope it works out for you!
Thank you very much. I do keep large barrels of rainwater inside the greenhouse and I do have a plastic dome I can place on top as well. If this works with temps below 20 it will be a gamechanger for me going forward. Thanks for the info.