Quote Originally Posted by foodchain
Green house, cold frame. We grew our tomatoe's when I was a kid in 5 gallon buckets, and double stacked car tires to help retain the heat. Wasn't AP. But it worked for what we did.
Exactly! Most garden vegetables like warm air, but their roots prefer cooler temps, as found in the dirt they normally inhabit. As long as the air temp and day-length is good for the veggies, and the water temp is good for the trout, it should be fine.