Salesman Floyd Hardrick, right, 24, of Detroit assists Lisa Price, 55, of Detroit. Price is suffering from degenerative disc disease and has a medical marijuana license.(Photo: Salwan Georges, Detroit Free Press)Buy Photo

The Detroit City Planning Commission is holding a public hearing on proposed medical marijuana zoning regulations at 5:30 p.m. Thursday at the Coleman A. Young Municipal Center, 2 Woodward Ave.

The planning commission could vote at the meeting to recommend approval of the ordinance by the Detroit City Council at a future meeting.

The zoning proposal would restrict medical marijuana caregiver centers within 1,000 feet from schools, parks and churches, and 2,000 feet from other caregiver centers or businesses with a "controlled use" permit, including party stores with liquor licenses.

The proposed zoning ordinance is part of the City Council's effort to regulate Detroit's growing number of unlicensed medical marijuana dispensaries. There are about 150 such dispensaries operating inside the city...