Q.Where Can I Buy Galangal, Ginger, And Turmeric. I Live In Oklahoma USA
i want to raise these and other herbs after i retirein 7-10 yrs

Certified GKH Gardening Expert
We don't recommend vendors but a visit with a local nursery should help. Ethnic supermarkets carry galangal. Here is information about those ginger relatives:
https://www.gardeningknowhow.com/edible/herbs/turmeric/growing-turmeric-plants.htm
https://www.gardeningknowhow.com/edible/herbs/ginger/ginger-plant-companions.htm
https://www.gardeningknowhow.com/edible/herbs/galangal/galangal-plant-care.htm