Moisten a garden plot two ways (5)
I believe the answer is:
bedew
'moisten' is the definition.
(I've seen this in another clue)
'a garden plot two ways' is the wordplay.
'two ways' means two replacements for 'way'.
'a garden plot' becomes 'bed' (I've seen this in another clue).
'way' becomes 'e' (Compass direction - East).
'way' becomes 'w' (Compass direction - West).
'bed'+'e'+'w'='BEDEW'
(Other definitions for bedew that I've seen before include "Sprinkle with water (poetic)" , "Moisten (poetic)" .)