Police have been cracking down on drugs in rural towns along the East Coast - and their hard work has been reflected with more arrests.
Cannabis convictions have doubled in Wairoa in the last five years - from 17 to 34.
It is bucking the downward trend with both Napier and Hastings halving the number of convictions compared with five years ago.
Ministry of Justice records show cannabis-related convictions in Hastings District Court dropped from 133 in 2010 to 57 in the last financial year. In Napier, convictions fell from 167 to 67.
The Eastern District Organised Crime Unit targeted Wairoa during the summer "growing months".