Outdoor cultivation is not permitted in the city. The ordinance also limits the number of plants that can be grown. Medical cannabis dispensaries and collectives in the city of Ripon will be prohibited under Ordinance 805, which was introduced July 16, 2013, and passed on a unanimous vote by the Ripon City Council. Cultivation in nonresidential zones. Cultivation of medical marijuana is prohibited in all commercial, office, business park, mixed use, industrial, public-semipublic, and resource conservation zoning districts.