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Mephisto Genetics, established in 2012, is a distinguished cannabis breeder known for its high-quality autoflowering seeds. Starting as a two-person team, it has expanded to eight members, all dedicated to creating exceptional cannabis strains. Specializing in ruderalis genetics, Mephisto Genetics stands out for its autoflowering plants that flower independently of daylight changes, a feature allowing multiple harvests per year.
Notable collections from Mephisto include the Artisanals series, the Reserva line, and the Illuminautos Secret Society Strains. The Artisanals series offers strains like Samsquanch OG and Creme de la Chem, known for unique flavors and potent effects. The Reserva line combines customer favorites with unique qualities from their catalog, while the Illuminautos collection features experimental and affordable strains for adventurous cultivators.
Mephisto Genetics has earned significant accolades, including Best Breeder prizes at the 2023 Autoflower World Cup and the American Autoflower Cup. Operating from Barcelona, Spain, with distribution hubs in multiple countries, Mephisto is particularly popular in the US, where most of its sales occur. Their journey from a small team to a leading cannabis breeder is marked by a commitment to quality and innovation in cannabis breeding.

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Strains (118)

24 Carat
13
31
8.9
3 Bears OG
47
100
9
3wok OG
2
5
8
4 Assed Monkey
28
49
9.1
Alien vs. Triangle
46
82
9
Aunt Ginny’s Elixir
2
3
9.5
Auto Blues
3
6
9.7
Auto Triangle Kush
1
1
9
Beary White
7
9
9.3
Blue Cush
1
1
6
Canna-Cheese 1:1
6
14
8.7
Chem city blues
2
2
9
Chemdogging
26
48
8.7
Cosmic Queen
21
30
8.6
Creme de la Chem
57
135
8.6
Deep Blue C F2
4
9
9.3
Double Grape
91
199
8.6
Fantasmo Express
7
14
8.3
Forgotten Cookies
21
48
8.6
Forgotten Strawberries
4
13
9.3
Forum Stomper
40
89
8.9
Fugue State
7
23
9
Ghost Toof
12
22
8.7
Grape Crinkle
8
10
9.5
Heisenberg Special
8
12
8.4
HubbaBubbaHaze
6
14
9
Hubbabubbasmelloscope
19
39
9
Iced 'n' Baked
1
3
9
Illuminauto #36 - Jammy Dodgers
4
13
8.3
Illuminauto #37 - Deez Nuggs
4
8
8.8
Illuminauto #41 - Bear Assed Monkey
3
6
8.7
Illuminauto #42 Grizzly Crinkle
1
3
9
Illuminauto #43 - Sour Gummy Bears
4
9
8.5
Illuminauto #44 - Pinot Noir
7
18
9
Illuminauto #45 Sweet 'n' Smelly
3
Illuminauto #46 - 50 Shades of Grape
2
5
9
Illuminauto #47 - Strawberry Stomper
1
1
9
Illuminauto #48 - Pink Livers
2
2
8
Illuminauto #49 - Grappa
1
2
7
Illuminauto #50 - Strawbba the Hutt
2
5
6
Illuminauto #51 - Marley's Grin
3
7
7.7
Illuminauto #52 - Double Smile
2
5
9
Illuminauto #53 - El Chemi Kiwi
3
11
8
Illuminauto #54 - Tinto de Verano
3
Illuminauto #55 - Strawberry Crinkle
1
6
8
Illuminauto #56 - Girl Scout Monkeys
1
3
10
Illuminauto #57 - Blood Orange Haze
4
11
8.3
Illuminauto #58 - Funky Mangifera
1
Illuminauto #61 - White Creme
1
3
9
Illuminauto №1 Sodk X Fantasmo Express
1
1
8
Illuminauto №10 Chem City Blues X Chemdogging
1
1
10
Illuminauto №11 White Stomper
3
4
9.7
Illuminauto №12 Grapey Walter
17
23
8.8
Illuminauto №13 Menage a Tyrone
1
1
10
Illuminauto №14 Skysenberg
Illuminauto №15 Skyrone Stomper
1
1
Illuminauto №17 Heisenhound
1
Illuminauto №18 Whitechem
8
11
8.9
Illuminauto №19 Sour Hound Mitch's Pick
Illuminauto №2 Sour Bubbly X Chemdogging
1
1
6
Illuminauto №20 Bears OG x Grape Crinkle
1
1
Illuminauto №21 Sour Crinkle
9
22
9.1
Illuminauto №23 Creme Bubbly
3
Illuminauto №24 Gold Glue
23
31
8.7
Illuminauto №25 Sour Orange Livers
2
7
9.5
Illuminauto №26 ManBearAlienPig
20
33
8.9
Illuminauto №27 Livers 'n' Cheese
2
Illuminauto №28 Grapey Walker Kush
14
28
9.3
Illuminauto №29 Blue Toof
11
21
8.5
Illuminauto №3 Sodk X Alien
Illuminauto №30 Bubbly Livers
3
6
9.3
Illuminauto №31 Sweet 'n' Sour
6
14
9
Illuminauto №4 Deep Blue C F2
Illuminauto №5 Chem City Purps
1
1
8
Illuminauto №6 Bubbly Blues
1
Illuminauto №7 Toof Decay X Fantasmo
6
14
9.5
Illuminauto №8 24 Carat
1
Illuminauto №9 Tyrone2
Jammy Dodgers #2
7
12
8.9
Livers Bx1
1
4
10
Mango Smile
33
66
9.1
Mephisto's Wedding Auto
9
33
8
Northern Cheese Haze
13
32
8.2
Orange Biscuits
1
6
9
Orange Diesel
7
14
9
Orange-Utan
1
3
10
Pink Panama
9
24
8.8
Purple Nuggets
10
16
8.9
Ravenberry Auto
2
6
8
Ripley's OG
12
26
8.9
S.O.D.K
25
48
8.9
Samsquanch OG
24
46
8.6
Skylar White
10
12
9.1
Skystomper
8
15
9.8
Skywalker
33
72
8.5
Sour Blues
Sour Bubblin Crack
Sour Bubbly
2
13
9.5
Sour Crack
24
36
8.5
Sour Hound F2
6
10
8.8
Sour Livers
11
18
8.3
Sour Stomper
85
156
9.2
Stilton Special
17
30
9.5
Strawberry Nuggets
48
85
8.7
Super Orange Haze
7
18
8.6
Supernatural OG
1
1
9
The White Train
3
5
8.7
Toof Decay
17
34
9.1
Toofless Alien
8
13
9.1
Toofless Tyrone
1
1
8
Trident Special
3
3
9
Tyrone Special
4
8
8.3
Walter White
15
28
8.4
White Chem
1
White Crack
15
25
9.1
White'n'Bubbly
3
3
9.7
Wookie Special
2
3
10
Zensation

Winners Show All Diaries

Monster Auto! Mephisto Ghost Toof DWC
17 weeks
Monster Auto! Mephisto Ghost Toof DWCBelgianBudtender
Mephisto Genetics - Ghost Toof
a year ago · 9 comments
Solo cup
12 weeks
Solo cupSpeedy7250
Mephisto Genetics - Double Grape
a year ago · 10 comments
Mephisto - Double Grape x3 - Roi
14 weeks
Mephisto - Double Grape x3 - RoiLeroi
Mephisto Genetics - Double Grape
2 years ago · 28 comments
Starr's Skywalker
14 weeks
Starr's SkywalkerStarr
Mephisto Genetics - Skywalker
2 years ago · 21 comments
STOMP STOMP STOMP
12 weeks
STOMP STOMP STOMPscotch_egg
Mephisto Genetics - Forum Stomper
3 years ago · 19 comments
Triple double grape a la vipar spectra
14 weeks
Triple double grape a la vipar spectraindoorontario
Mephisto Genetics - Double Grape
3 years ago · 35 comments
Mephisto Pink Livers #1 (LST)
12 weeks
Mephisto Pink Livers #1 (LST)scotch_egg
Mephisto Genetics - Illuminauto #48 - Pink Livers
3 years ago · 13 comments
Eel's 1st indoor grow- Meph White Crack
11 weeks
Eel's 1st indoor grow- Meph White CrackEelGrows
Mephisto Genetics - White Crack
5 years ago · 22 comments
Chem Doggy Dog
12 weeks
Chem Doggy DogWeedeep
Mephisto Genetics - Chemdogging
5 years ago · 34 comments
Forum Stomper
12 weeks
Forum StomperGardenOfHerbs
Mephisto Genetics - Forum Stomper
5 years ago · 24 comments

Popular Diaries Show All Diaries

Auto Feminized Sativa and Indica Mix.
18 weeks
Auto Feminized Sativa and Indica Mix.Ferenc
+4 strains
4 years ago · 1 comment
Sour Stomper Auto.
12 weeks
Sour Stomper Auto.Ferenc
Mephisto Genetics - Sour Stomper
4 years ago · 12 comments
Alien vs Triangle - Mephisto Genetics
16 weeks
Alien vs Triangle - Mephisto GeneticsCannabeast40
Mephisto Genetics - Alien vs. Triangle
3 years ago · 354 comments
3 x Stilton Special
12 weeks
3 x Stilton Special ClubRiot
Mephisto Genetics - Stilton Special
5 years ago · 104 comments
Double Grape x HESI Nutrients
13 weeks
Double Grape x HESI NutrientsHarukisan
Mephisto Genetics - Double Grape
3 years ago · 82 comments
Chemdogging Downunder
18 weeks
Chemdogging Downunder Grey_Wolf
Mephisto Genetics - Chemdogging
3 years ago · 36 comments
Stilton Special
11 weeks
Stilton SpecialClubRiot
Mephisto Genetics - Stilton Special
6 years ago · 82 comments
Sour Stomper
10 weeks
Sour StomperGuerrillaNo_4
Mephisto Genetics - Sour Stomper
3 years ago · 63 comments
Forgotten Strawberries (Mephisto Gen)
17 weeks
Forgotten Strawberries (Mephisto Gen)PersonalSmok3s
Mephisto Genetics - Forgotten Strawberries
2 months ago · 40 comments
Grow #9: Meph Bear Assed Monkeys ft Mars
14 weeks
Grow #9: Meph Bear Assed Monkeys ft MarsMrHightimes
Mephisto Genetics - Illuminauto #41 - Bear Assed Monkey
3 years ago · 63 comments
Scroggernaut 3.0 - The OG Triple OG
16 weeks
Scroggernaut 3.0 - The OG Triple OG BudXs
+2 strains
3 years ago · 31 comments

New Diaries Show All Diaries

Sour Stomper
1 weeks
Sour StomperGrowsHimself
Mephisto Genetics - Sour Stomper
2 hours ago
Ripleys og x hubba buubba
1 weeks
Ripleys og x hubba buubbaSmodankgardens
Mephisto Genetics - Ripley's OG
a day ago · 1 comment
Heisenberg Special Auto
1 weeks
Heisenberg Special AutoTheopen
Mephisto Genetics - Heisenberg Special
a day ago
Mephistos Wedding
1 weeks
Mephistos WeddingGrowsHimself
Mephisto Genetics - Mephisto's Wedding Auto
2 days ago · 3 comments
strawbb
1 weeks
strawbbArt_B
Mephisto Genetics - Illuminauto #50 - Strawbba the Hutt
5 days ago · 2 comments
Alien v Triangle | Mephisto
2 weeks
Alien v Triangle | Mephistonot_burner
Mephisto Genetics - Alien vs. Triangle
5 days ago · 1 comment
Hubbabubbasmelloscope
2 weeks
HubbabubbasmelloscopeGrowsHimself
Mephisto Genetics - Hubbabubbasmelloscope
an hour ago · 5 comments
Jammy Dodgers F2
2 weeks
Jammy Dodgers F2Middlelifer
Mephisto Genetics - Jammy Dodgers #2
5 hours ago · 4 comments

Latest Reviews Show All Reviews (996)

ThaCarterNewbie
10
Sour Stomper
Growing it
Normal
Resistance
Normal
The smell of the Sour Stomper is by far my favorite out of any weed strain ive ever came across, its like grape soda candy with some fuel. I will most likely be pressing these 3 plants into Flower Rosin or Washing straight from dry rack, no cure. She didnt get fat buds on her but considering how neglected she was in the end i am happy with her. She was the tallest of the plants and turned purple almost immediately when she hit late flower.
a day ago
DeadisNewbie
10
Mango Smile
Growing it
Normal
Resistance
Normal
Sensitive to N in veg but after can take nutes just fine! One of these best smelling strains I’ve ever smelt!! Literally like a bag of dried mangoes with a little paint stripper lol Now it’s been curing let’s get on with the review ;) Mango smile. Effect: initially racy and uplifting with a haze band that forms behind the eyes and around the head. Body stone is there but compliments the uplifting nature. My feet feel fantastic! Activities would be great as well as relaxing. Very positive mindset but can drift off into one’s own world. Aroma: Straight up mango juice with tropical notes. Makes me salivate. Probably the best smelling weed in fruit aspect I’ve ever smelt. Flavour: Strong mango, almost artificially flavoured. Strong metal/haze like taste, if you’ve smoked super silver haze you’ll know what I mean! Also notes of lemon/tropical Fruits with an incense background. Potency: 9/10. The duration is quite impressive! Lasts a good 3hrs which I find quite rare in other strains. After it wears off you don’t feel heavy, the haze lifts!
2 days ago
9
Mango Smile
Growing it
Easy
Resistance
Easy
This gal was a pleasure to growth and I'm very pleased with the final product. I managed to pull 5oz of dry weight and 13g of kief. The curing process is bringing out her terps and she smells super strong diesel with mango to it.
3 days ago
10
Orange Biscuits
Growing it
Easy
Resistance
Easy
Harvested today! Hung the whole plant in my dry tent. But cramped in there because it is only a 2x2. Hopefully I chopped at the right time. I'm sure with more experience, I will get that part down pat a little more. Dry tent is sitting at 60 degrees and 60% humidity.
4 days ago
8
Creme de la Chem
Growing it
Hard
Resistance
Hard
CDLC A (92d) : Took me by surprise! This strain was really a concern once flower started. I felt like the pistols were little and the buds weren't packing on at all... UNTIL they did! During the last 2 weeks of this strain the buds grew huge. I wasn't expecting this plan to be desirable at all. I think it was difficult for it to succeed when grown next to the Sour Stomper x Double Grape. All that to say, the buds look really nice and dense. They aren't as frosty as the SSxDG but that's alright, I think these buds are going to end up perfect! CDLC B: Coming Soon!
9 days ago
Latest Comments
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CAMOGROWN
CAMOGROWN
Do I not get a prize for the 100th mephisto harvested?? Haha!
HideYourDads
HideYourDads
Any chance you can add Wookie Special to your catalogue? We have to do a custom entry right now.
dreambomber
dreambomber
Creative design and naming. Really out of the row. These seeds are hard to find anywhere.
Greenfingers666
Greenfingers666
high guys we would love to do some reviews on some of your top strains we have done a few over the last for exotic,sweet,weedseedexpress,
Njanne
Njanne
Received my seeds earlier this week... I"m so excited to grow the Strawberry Nuggets and Cosmic Queen :)
DILLIGAF
DILLIGAF
Ive just ordered illuminauto No 31 Sweet n sour Cant wait to try it Any Advice on growing them
Fnord23
Fnord23
Anybody out there grown the cosmic queen x 24c cross? Got it as a freebie and have one going, around day 50ish. Would luv to see some others if anyone out there has grown it!
Wolfking
Wolfking
Hi I have tried contacting u in chat but have had no response so will on here....... Hi I got some sour livers (pack of 3) this year and originally started 2 grows with them a month or so ago but after they sprouted they just gave up and died, I was wondering if it was the temp of UK? as i started them at end of april (hot bank holiday) outdoors as I dont have a indoor grow available. Also I was using plant magic soil and had fed no nutes to them only water. Any help would be appreciated as I still have 1 sour liver left and want to plant it soon :)
BeefWellingtons
BeefWellingtons
When will you mail out prizes for July newbie of the month?