Granny Smith is a cider producer
I believe the answer is:
apple-tree
I'm afraid I can't explain this answer.
Can you help me to learn more?
(Other definitions for apple-tree that I've seen before include "Perennial woody plant bearing fruit for cooking or eating -Granny Smiths?" , "Plant bearing pippins" , "It might produce Cox" , "Source of the growth that inspired Newton?" .)