Island raising fine crops at its eastern tip (3)
I believe the answer is:
kos
'island' is the definition.
(I've seen this before)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for kos that I've seen before include "Aegean isle" , "Aegean island" , "Island of the Dodecanese" , "Greek island" .)