Indoor marijuana growers producing for the recreational market would be capped at 10,000-square-foot facilities and outdoor growers would be limited to 2-acre parcels under one proposal being considered by a state-appointed committee looking at marijuana regulation.

Draft rules for grow sites, pesticide use, retail sales and the production of concentrates and marijuana-infused edibles were discussed Friday by the Oregon Liquor Control Commission's rules advisory committee. 

Though anyone 21 and older may buy up to a quarter-ounce of cannabis flowers, unlimited seeds and four plants from medical marijuana dispensaries starting Oct. 1, those purchases are part of Oregon's early sales program, which is overseen by the Oregon Health Authority.

Separately, the liquor commission is crafting rules for the recreational marijuana industry, which will roll out late next year. Rules will apply to everything from how marijuana concentrates are produced to what pesticides can be used on cannabis during production.

The rules will...