The Grow Cup for Home Growers


The Grow Cup is a chance to go head-to-head with some of the best growers in the state and display your skills to cannabis cultivars and the cannabis industry. ⁠

  • Deadline for entry is July 25, 2020 at midnight.
  • Pickup clones OKC/Tulsa locations – July 26, 2020
  • Deliver legally grown product for lab testing by November 25, 2020 – Lab TBA
  • The entry fee is $199

Winners are determined by 3rd party lab results based on cannaninoids, terpenes, & THC potency.

The 2020 Grow Cup is being held in conjunction with the 2020 Cowboy Cup in Stillwater, OK.

hand holding a plant


Contestants will receive a T-Shirt, Passes to the 2020 Cowboy Cup in Stillwater, OK.


Winners will receive awards in conjunction with the awards ceremony during the 2020 Cowboy Cup.

And Grow!

We select the strain, and supply the clone via Rust Brandon & Majestic Craft Cannabis

You have 4 months to grow.

Enter the Grower’s Cup