Mephisto Genetics
Two best friends, a long-running challenge to make better autoflowers, and a move from a Spanish farm to Barcelona.
- 21cup results
- 8first places
- 2023–2026active in results
- 3cups entered
01Beginnings
Mephisto Genetics breeds feminized autoflowering cannabis seeds, and Leafly describes it as best known for its original strains1. One caveat up front. This page rests on a single Leafly profile, last updated on May 9, 2023, and no text from the company's own site was available. Where that profile says nothing, this page says it is not documented.
The people behind it are two best friends, Mitch and Tim, with a small, close team around them1. Their surnames are not documented. Leafly says it began with the two friends regularly challenging each other to develop autoflower strains that performed consistently, starting around 20071. That year is given as an approximation. The method described is crossing photoperiod seeds with autoflowers, then breeding the results back into feminized autoflower seeds1.
02The story so far
In 2012 the team relocated to a farm in a mountainous, rural part of Spain1. In 2017 they set up a distribution hub in the United States to serve their largest customer base1. In the 2023 profile, the breeders estimate that roughly 85 percent of their seed sales happen in the US1. Why they chose that part of Spain, and what the farm years looked like day to day, is not documented in the source.
In early 2020 Mitch and Tim moved to a bigger facility in Spain, then had to stop all operations until Covid-19 travel restrictions eased1. Their strains now come from a newer facility in Barcelona, where the team spends almost two years developing, testing and stabilizing them1. The exact date operations restarted is not given.
Leafly writes that autoflowers were once low on yield, aroma and effect, and says that is no longer the case1. That is the outlet's own framing rather than an independent measurement. Competition results are not covered in this narrative, since they are tracked separately elsewhere on this site.
03Culture and community
Mitch and Tim are seed collectors themselves, and they work from a very large seed library1. According to the profile, their crosses often draw on rare seeds gathered from around the world, some of them decades old1. One release, Hubbabubbasmelloscope, uses old-school genetics in its lineage and is described as recalling the bubblegum strains of Amsterdam in the early 1990s1.
Leafly says the brand's seeds are especially well regarded in online discussion forums1. It also runs a customer loyalty program called Piggy Points, which rewards its most dedicated fans1. Asked about their biggest achievements, the founders point to their well-rounded body of breeding work and to the grassroots, worldwide online community of fans and growers they have built1.
04Where things stand
As of May 9, 2023, the team was based in a Barcelona facility, with distribution and growing hubs spread across three countries and two continents1. New feminized autoflower releases arrived every other Monday on the brand's website1.
The same profile describes production of the back catalog as back in full swing, with a number of new strains close to release1. Anything that has changed since May 9, 2023, including staffing, locations, release schedules or catalog size, is not documented in the source used for this page.
05What may come next
The announced plans come from the same May 9, 2023 profile. Many strain projects had been resumed, with releases planned for the brand's website once final runs and testing were finished1. No release dates were given.
Named in the announcement are several Gelato crosses built from different phenotypes of that dessert strain, and a release based on an old-school haze cut more than 30 years old1. No plans announced after May 9, 2023 were found, so whether these projects arrived as described is not documented here.
On the podium, in our data
CannaLib records 21 cup results naming Mephisto Genetics, between 2023 and 2026, 8 of them first places.
Where they showed up
- American Autoflower Cup · 13 entries
- Autoflower World Cup · 7 entries
- GrowDiaries Awards (Grow Awards; first edition called POTY / Plant of the Year) · 1 entries
Strains behind the results
Sources
Written from the sources above and checked on 2026-10-29. Spot an error? Tell us on the contact page.