Lotus is native to China and India.2 varieties:
Common one ,growing in ponds,cultivated mainly to be used as dishes(underground stems),as well as to serve gardening purpose.flowers--giant(from 2.5 --5''),white,yellow,red.
Dwarlf one,growing in pots and bowls,for decoration.flowers(2--4 "),red,yellow,white.
The plants need warm weather and full sun.
There are some seed companies in China sell the seeds.