Once they get too big to grow inside the greenhouse and I'm forced to leave them outside during winter (6x8x6 greenhouse), can I just cut them back to save them from the temperature so they'll come back later? I heard that this works.
The greenhouse really retains no heat at all. It's completely sealed off from the outside air, but it just cools off too fast I guess. It's two layer 4mm polycarbonate panels, or so they say. The greenhouse is a cheep one from Harbor Freight. It does warm up in the day, which is what I need it to do. Even when it's cloudy and raining, it warms up maybe two degrees warmer than the outside air. It is water-tight though after some duct taping.
Thanks for the great replies so far!
