There are about 47 different genera of Ginger. I grow mostly those in the Hedychium genera and concentrate on those that have a strong fragrance and are fairly cold hardy. I only have a few different species now but they are all very cold hardy and come back each year. Below are some of my favorites.
Hedychium coronarium – Butterfly Ginger
Hedychium Dr. Moy
Curcuma zeodora