Campaspe Police seized 16 cannabis plants from a residential address in Rushworth on March 17.
Officers attached to Kyabram, Echuca and Rushworth executed a search warrant at the address about 8am, where they located 16 plants and further drugs believed to be cannabis.
The female resident was assisting police with their inquiries.
Police have encouraged community members to be on the look-out for any suspicious activity and to report suspected drug cultivation or trafficking by phoning Crime Stoppers on 1800 333 000.