Creating a warm microclimate for melons
I have a patch of garden next to a south-facing wall where I could plant some melons. I've thought about putting a transparent cover over it, to keep rain off and keep it a little warmer. Maybe transparent side walls to protect against wind. To warm the soil, I could excavate it out, put down some rigid foam plastic sheets for insulation, and replace the soil in raised beds. Of course, I would start the plants early indoors.
Has anyone had success with warm-weather crops like this (from Portland north)? How did you do it?