By Bigyin
United Kingdom 
What do I do with my bare roots Alstroemeria now to grow them
2 Sep, 2018
Answers
welcome to GoY,
plant them where you want them to flower next year and bury the tubers about 3-6" deep in a rich fertile soil.
The RHS site is very good.
https://www.rhs.org.uk/Advice/Profile?PID=950
3 Sep, 2018
There are various sites telling you how to do this, but this is a video which might be more useful.
https://www.youtube.com/watch?v=HL3wEioZD5I
Copy and paste.
3 Sep, 2018