Cyperus esculentus,Dried black tiger nuts seeds for planting, 200g/$8, shipping cost $20, phyto certificate cost is $12
NOTE: Fresh tiger nuts are not good for planting.
Easy to grow, these tiny tubers grow like a sedge or grass, up to 2 feet tall. They require a mild climate, and can be started in pots indoors or a greenhouse, or directly sown a few weeks after frost danger. 
Planting material: Dried tiger nuts seeds 
How to grow them:
Dried tiger nuts are the only good planting material for propagating tiger nuts, ensure soil moisture and plant the dried tiger nuts in shallow depth of about 1/2 inch deep into the soil. 
They will start to within 8 - 14 days time after planting.
Each plant produces multiple tubers - between 15 - 75/plant.