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How to Revert a Cannabis Plant From Flower to Veg — 24 Hour Light Method 🌱

John Berfelo Official Guide 3 days ago

Description

The MediMac is officially indoors. In this video I show the full setup — the plant is in her new spot under 24 hours of light from a Mars Hydro, dimmed low to start the hormonal shift from flower back to vegetative growth. This is the first reveg I've run on purpose in over 20 years, though I've had plants revert accidentally plenty of times when a stray light got left on in the grow room. Even a small indicator light on a dehumidifier can flip a plant back to veg — this video shows how to use that same principle intentionally.

I also show the new indoor-outdoor transition space I just finished building — a sliding plywood door separating a soft-landing area between the backyard and the main grow room. It's where the MediMac is revegging now, where my late friend Mike's peppers are growing year-round in his memory, and where the 2027 breeding project begins.

Reveg takes about 6 to 8 weeks. Once she's fully vegetative, I'll take cuttings to create a dedicated mother plant and start building out a new MediMac seed line for 2027. I'm announcing it on camera so there's accountability — this is a public breeding commitment.

What You'll Learn:

• How to intentionally revert a cannabis plant from flower back to vegetative
• Why 24-hour light with a dimmable fixture works for reveg
• How accidental reveg happens (and why a dehumidifier light can do it)
• The 6 to 8 week reveg timeline before cloning
• How to set up an indoor-outdoor transition grow space
• Why the MediMac earned a dedicated 2027 breeding project

About Me:

I'm John Berfelo — 42 years in cannabis horticulture, Canadian Patent holder on the MedTainer (No. 2,853,094), four-time author, and the subject of a published peer-reviewed case study on natural cannabis and pain control (PMC2740265). In 2005 I was licensed by Health Canada to cultivate my own under federal exemption. I've been on YouTube for 18 years documenting home cultivation.

📘 Books:

Pharma to Freedom — my story and the policy journey → https://johnberfelo.com/pharma-to-freedom-book-page
LEDs: The Keys to Your Growing Future → https://johnberfelo.com/leds-book-page
Smart AI in Cannabis → https://funnels.greenwayai.ca/smart-ai-in-cannabis-book

🤖 Free AI Plant Diagnosis — Greenway Grow Master:

https://greenwayai.ai/the-cannabot-concierge-page

📹 Related Video — The Big Trim Masterclass:

https://www.youtube.com/watch?v=9kceoHzOZtU

🔗 Channel + Playlist:

Playlist → https://www.youtube.com/playlist?list=PL8aHC4zMZ25D9xyqOTqKZTUfY_FK_JCu7
Shorts → https://www.youtube.com/@JohnBerfelo/shorts
Greenway AI → https://greenwayai.ca

🌿 Horticultural Partners (affiliate):

Remo Nutrients → https://www.shop.remonutrients.com/?ref=lz9dh2go
Green Planet Nutrients (code JBERFEL010) → https://greenplanetnutrients.com
Grandmaster LED (code JOHNBERFELO — 10% off) → https://grandmasterleds.ca/?ref=JOHNBERFELO
MedTainer Canada → https://medtainercanada.com

Some links are affiliate links. I earn a small commission at no extra cost to you. This channel is educational content on legal home cultivation under Canadian federal exemption. Nothing here promotes or facilitates use.

Never Stop. Never Give Up. Never Surrender.
Johnny B 🌱

#CannabisHorticulture #RevegCannabis #FlowerToVeg #MediMac #HomeGrow #JohnBerfelo