Curcuma Species, Common Turmeric, Indian Saffron

This plant is growing well in my zone 7b partly shaded garden. It is blooming now. Low maintenance. Lush foliage.

I bought the Turmeric roots at the Asian market last year for a recipe and didn't use it all so I planted the rest. Full sun never did we...Read Morell, but the ones in the shade did great! Winter got pretty cold, down into the 20's, so I wondered if it would come back. End of May and they are sprouting! I am thrilled they are growing and I hope they flower this year. I will post pix when I get some good ones!.
Grow it, it's worth it!

I've been growing this hydroponically for a few months now. It's a slow grower for me, but definitely sprouting. I'll put some updates as it grows.

I am thinking of growing my own turmeric indoors but know little, if nothing about it. I want to grow it for the root, but I need info ow...Read Moren growing and harvesting the root. How may years will it take me to get a harvest? Do I split the rootball and thin it or are there other methods I'm unaware of? Is the whole root ground or milled after harvest? Any help will be appreciated. Also, any special plant care notes will be helpful.