Come again to harvest the fruit (8)
I believe the answer is:
reappear
'come again' is the definition.
(thesaurus)
'harvest the fruit' is the wordplay.
'harvest' becomes 'reap' ('reap' can be a synonym of 'harvest').
'the fruit' becomes 'pear' (pear is a kind of fruit).
'reap'+'pear'='REAPPEAR'
'to' is the link.
(Other definitions for reappear that I've seen before include "Come into view again" , "return" , "make a comeback" , "spring up again?" , "Be seen again" .)