Deijhon gives his overview on the produce Kale in this episode of Produce Breakdown. He gives an overview what is Kale, he provide suggestions on to grow Kale, and how to make a profit off of it if you are planning on selling it.

Links

Kale seeds- 
https://www.johnnyseeds.com/vegetables/kale/ 
https://www.highmowingseeds.com/vegetables/kale.html

Soil Mix-
https://www.greenhousemegastore.com/supplies/soil-and-soil-amendments/pro-mix-bx-biofungicide-mycorrhizae?returnurl=%2fsearch%3fq%3dpro%2bmix