This is karela (also called bitter melon or bitter gourd). We have been growing them in Vermont for a few years and find that they grow quite well in our greenhouse (see California files patent on cocoa butter via plant cell culture How to Grow Veronica Spicata (Spiked Speedwell) Everything You Need to Know About Tissue Culture Aquarium Plants Aquarium Co Op Fireflies Forever Native Plant Collection Purple Bells Rhodochiton Seeds