The Cole Memo

I wanted to spotlight the Chicago Tribune for covering the growing debate around outdoor cannabis cultivation in Illinois, a topic I first broke details on right here on TheColeMemo.com.

The Tribune highlights how companies like Curaleaf, GTI, and Nature’s Grace are pushing to grow outdoors using hoop houses and screen houses. Former Illinois agriculture regulators granted permission for these kinds of grows, but when new leadership took over, they attempted to revoke that permission and lost in court. The current Curaleaf lawsuit seems to be building on that precedent, seeking the same flexibility. The article also cites my original articles and includes my perspective on why Illinois should rethink its restrictions.

I’ll be sharing the print version of the Chicago Tribune’s coverage below and linking back to my earlier reporting for anyone who wants to dig deeper. I plan to share additional details on this subject in the future.

Original Articles by The Cole Memo

• Exclusive: Outdoor cultivation of cannabis in Illinois – 12/09/2023.
• Exclusive Follow Up: Outdoor cultivation of cannabis in Illinois – 08/19/2024.
• Another Outdoor-Cannabis Lawsuit Hits Illinois – 07/25/2025.

From the Pages of the Chicago Tribune

Note: If the article seems hard to read, you can adjust your view using the Zoom feature.

Below is a text excerpt from the article that features my perspective.

Other industry participants are watching the outcome of the case closely. Cole Preston, author of TheColeMemo.com website and podcast, who first reported on the outdoor grows, sees them not only as a boon for licensed growers, but says it should extend to home growers.

Currently, Illinois law limits home growing to medical cannabis patients, who may grow up to five plants indoors.

“I believe that as long as operators can produce a product that meets Illinois’ strict testing standards, there shouldn’t be an issue with how they grow — be it in an indoor cultivation center, a screen house, a hoop house, a green house, or another type of setup,” he said. Judging from the successful use of outdoor grows so far, he said, “There don’t appear to be any issues.”

Excerpt from Chicago Tribune article

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Illinois to Open Medical to All Dispensaries + Allow Outdoor Grows for All | E309 – The Cole Memo

Illinois is moving forward with several significant cannabis policy changes. Adult-use dispensaries will soon be able to apply for licenses to serve medical cannabis patients, while newly proposed rules from the Illinois Department of Agriculture would allow licensed cultivation centers and craft growers to grow cannabis outdoors under specific conditions. Cole breaks down both developments, including what dispensaries would need to do to obtain a medical license, why outdoor cultivation has been a years-long issue in Illinois, and the state's proposal to limit outdoor-grown cannabis to extraction. Plus, a rare glimpse inside Illinois' Bureau of Cannabis Testing laboratory. Watch video version and read full show notes here: https://thecolememo.com/2026/08/14/e309/

1. Illinois to Open Medical to All Dispensaries + Allow Outdoor Grows for All | E309 33:02
2. Cannabis Access, Hemp Politics, and the Rise of Flock Cameras | E308 50:45
3. The Hemp Debate: Cannabis, Decriminalization, and Where We Go From Here | E307 02:17:39
4. Independent Candidate Collin Corbett on His Campaign for Illinois Governor | E306 57:43
5. Illinois Cannabis: What Comes After the Omnibus? | E305 01:30:03