603-048-0520 Co-Location of Hemp Production (1) For the purposes of this rule, the following definitions apply: (a) “Medical marijuana grower registration” means a grower registration issued under ORS 475C.792. (b) “Medical marijuana plot” means an area designated at a hemp grow site for producing cannabis plants under a medical marijuana grower registration. (c) “Hemp research plot” means an area designated at a hemp grow site for producing cannabis plants under a licensed research grower license. (d) “Personal grow plot” means an area designated at a hemp grow site for producing cannabis plants pursuant to pursuant to ORS 475C.305. (2) Medical Marijuana. If a grower produces cannabis pursuant to a medical marijuana grower registration at the grow site, the grower must: (a) Complete and implement a control plan, on a form provided by the Department, that describes how plants grown pursuant to the industrial hemp license shall be separated from plants grown pursuant to a medical marijuana grower registration. The control plan must identify how harvested plant material will be maintained and stored separately. Medical marijuana plots may not be in the same location or overlap with a production area. (b) Maintain a copy of the control plan at the grow site at all times and immediately provide upon request. (c) Ensure that only plants grown pursuant the industrial hemp license are grown in production areas and only plants grown pursuant to a medical marijuana grower registration are grown in medical marijuana plots; (d) Post a grow site plan that identifies the location of the hemp production areas and medical marijuana plots; (e) Visually demarcate the boundaries of hemp production areas and medical marijuana plots through signs, fencing, or cordoning. (3) OLCC-Licensed Marijuana. If a grower produces cannabis pursuant to a license issued under ORS 475C.065, the grower shall submit a copy of the OLCC-approved control plan as described in OAR 845-025-1115(2)(g) to the Department. (4) Research Hemp. If a grower produces cannabis pursuant to a licensed research grower license at the grow site, the grower must: (a) Complete and implement a control plan, on a form provided by the Department, that describes how plants grown pursuant to the industrial hemp grower license shall be separated from plants grown pursuant to a licensed research grower license. The control plan must identify how harvested plant material will be maintained and stored separately. Hemp research plots may not be in the same location or overlap with a production area. (b) Maintain a copy of the control plan at the grow site at all times and immediately provide to the Department upon request. (c) Ensure that only plants grown pursuant the industrial hemp grower license are grown in production areas and only plants grown pursuant to a research grower license are grown in hemp research plots; (d) Post a grow site plan that identifies the location of the hemp production areas and hemp research plots; (e) Visually demarcate the boundaries of hemp production areas and hemp research plots through signs, fencing, or cordoning. (5) Personal Grows. Cannabis plants grown pursuant to ORS 475C.305 may not be located in a hemp production area. A grower that produces cannabis plants pursuant to ORS 475B.301 must: (a) Ensure that only plants grown pursuant the industrial hemp license are grown only in production areas and only plants grown pursuant to ORS 475C.305 are grown in personal use plots; (b) Post a grow site plan that identifies the location of the hemp production areas and any personal use plots. (c) Visually demarcate the boundaries of hemp production areas and any personal use plots through signs, fencing, or cordoning. (6) Any and all cannabis grown in a hemp production area identified in a grower application or later identified to the Department as a hemp production area is subject to sampling and testing by the Department or its designee. (7) A grower that stores cannabis grown pursuant to a medical marijuana grower registration, a licensed research grower, or under ORS 475C.305 must ensure that the harvested cannabis is segregated from its harvested industrial hemp. The grower must: (a) Comply with the storage requirements in OAR 603-048-0540; (b) Label all cannabis harvested from plants grown pursuant to a medical marijuana grower registration, a licensed research grower, or under ORS 475C.305 with the following: (A) Identify the cannabis as grown pursuant to a medical marijuana grower registration, licensed research grower, or as cannabis from a “personal grow”; (B) The date the cannabis was harvested. Statutory/Other Authority: ORS 561.190 & ORS 571.260-571.348 Statutes/Other Implemented: ORS 571.260-571.348 History: DOA 23-2025, amend filed 09/29/2025, effective 09/29/2025 DOA 15-2025, temporary amend filed 06/06/2025, effective 06/06/2025 through 11/16/2025 DOA 14-2025, temporary amend filed 05/21/2025, effective 05/21/2025 through 06/03/2025 DOA 49-2023, amend filed 12/14/2023, effective 12/14/2023 DOA 26-2022, amend filed 10/31/2022, effective 10/31/2022 DOA 29-2021, adopt filed 12/29/2021, effective 01/01/2022