All strains with "O" as first letter.
124 Strains
| Name of the strain | Breeder |  |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|
| O.G. Kush | Royal Queen Seeds |  |
 |
56 |  |
 |
 |
| O.G. Skunk | DNA Genetics Seeds |  |
|
60 |  |
|
 |
| O.G. Skunk #1 | Master Thai |  |
 |
? | |
|
|
| O.Z. Kush | The Bulldog Seeds | |
|
70 | |
|
|
| Oakland Indica Hybrid | Super Sativa Seed Club |  |
|
? | |
|
|
| Oasis | Dutch Passion | |
 |
60 |  |
|
 |
| OB-1 | El Clandestino |  |
|
56 | |
|
|
| Obsession | World of Seeds Bank | |
|
60 | |
|
|
| Obsidian Ice | House of Funk Genetics | |
|
67 | |
|
|
| Ocean's Twelve Haze | Dampkring Seed Bank | |
 |
75 | |
|
|
| OchoCinco | Moscaseeds | |
|
58 | |
|
|
| Ochorios | Royal Dutch Genetics | |
|
84 | |
|
|
| Odalisk | No Mercy Supply | |
|
? | |
|
|
| OG Cheese | GreenLabel Seeds | |
|
55 | |
|
|
| OG Chem | Connoisseur Genetics | |
|
63 | |
|
|
| OG Chem Haze | Connoisseur Genetics | |
|
63 | |
|
|
| OG Jones | Connoisseur Genetics | |
|
63 | |
|
|
| OG Kush | Jordan of the Islands | |
|
60 | |
|
|
| OG Kush | Dr Greenthumb | |
|
70 | |
|
|
| OG Kush | Dinafem | |
|
55 | |
|
|
| OG Kush | Humboldt Seed Organisation | |
|
63 | |
|
|
| OG Kush | Expert Seeds | |
|
63 | |
|
|
| OG Kush | Reserva Privada | |
|
60 | |
|
|
| OG Kush | Clone Only Strains | |
|
? |  |
|
|
| OG Kush | Apothecary Genetics | |
|
67 | |
|
|
| OG Kush Express | Xtreme Seeds Co | |
|
58 | |
|
|
| OG.Kush-LemonLarry | Alpine-Seeds | |
|
69 | |
|
|
| OG.Kush-LemonLarry 1.1 | Alpine-Seeds | |
|
75 | |
|
|
| OG.Kush-LemonLarry IBL | Alpine-Seeds | |
|
70 | |
|
|
| OG.Kush-LemonLarry x DeepChunk | Alpine-Seeds | |
|
63 | |
|
|
| OG.Kush-LemonLarry x ECSD BX1 | Alpine-Seeds | |
|
80 | |
 |
|
| OG.Kush-LemonLarry x OG.Kush SFV BX1 | Alpine-Seeds | |
|
70 | |
|
|
| OG47 | CannaVenture Seeds | |
|
63 | |
|
|
| OGer99 | Dutchgrown Seeds | |
|
60 | |
|
|
| OGF13 | Chrome Seeds | |
|
60 | |
|
|
| OGiesel | The Cali Connection | |
|
60 | |
|
|
| OGNL | Sagarmatha Seeds | |
|
53 | |
|
|
| Oh God | Jordan of the Islands | |
|
60 | |
|
|
| Oh! Zone | Dr Greenthumb | |
|
55 | |
|
|
| Oh/OthxSativa | B Seeds Co |  |
 |
100 | |
|
|
| OJD's Haze | Connoisseur Genetics | |
|
77 | |
|
|
| Ok 47 | White Label | |
|
50 | |
|
|
| Old Ass Sensi Star | Riot Seeds | |
|
67 | |
|
|
| Old Early Skunk | Hero Seeds | |
|
73 | |
|
|
| Old School | Ripper Seeds | |
|
63 | |
|
|
| Old School Jams | Apothecary Genetics | |
|
60 | |
|
|
| Old School Kush | SoCal Seed Collective | |
|
49 | |
|
|
| Old Time Bubba Kush | Moscaseeds | |
|
56 | |
|
|
| Old Time Indiana Bubble Gum | Moscaseeds | |
|
56 | |
|
|
| Old Time Moonshine | Moscaseeds | |
|
53 | |
|
|
| Old Time Moonshine | DJ Short | |
|
53 | |
|
|
| Oldtimer's Haze | ACE Seeds | |
|
140 | |
|
|
| Oldtimers Haze | Unknown or Legendary | |
|
? | |
|
|
| Oldtimes | Underground Originals | |
|
60 | |
|
|
| Oldtimes BX | Underground Originals | |
|
63 | |
|
|
| Olé 47 | Black Label | |
|
56 | |
|
|
| Oltimers Mango Haze | Unknown or Legendary | |
|
? | |
|
|
| Oly | KalySeeds | |
|
? | |
|
|
| Olympic | Vancouver Island S.C. | |
|
53 | |
|
|
| Omega Dawg | Alphakronik Genes | |
|
70 | |
|
|
| Onyx | Short Stuff Seedbank |  |
|
54 | |
|
|
| Opium | Paradise Seeds | |
|
60 | |
|
|
| Orange | Cultivators Choice | |
|
? | |
|
|
| Orange Bud | White Label | |
|
55 | |
|
|
| Orange Bud | Dutch Passion | |
|
56 | |
|
|
| Orange Bud | Ceres Seeds | |
|
48 | |
|
|
| Orange Bud X Blueberry | Clone Only Strains | |
|
63 | |
|
|
| Orange Candy Floss | DutchBreed | |
|
60 | |
|
|
| Orange Crush | BC Growers Association | |
|
55 | |
|
|
| Orange Dream | Unknown or Legendary | |
|
72 | |
|
|
| Orange Haze | Green Devil Genetics | |
|
64 | |
|
|
| Orange Kush | Green Devil Genetics | |
|
57 | |
|
|
| Orange Light | Seedmakers Seeds | |
|
60 | |
|
|
| Orange Spice | Unknown or Legendary | |
|
53 | |
|
|
| Orange Widow | Kannabia Seeds | |
|
63 | |
|
|
| Oregon Afghani | Clone Only Strains | |
|
? | |
|
|
| Oregon Huckleberry | Dynasty Seeds | |
|
58 | |
|
|
| Oregon Rocket | Basic Seeds | |
|
? | |
|
|
| Orient Automatic | Blim Burn Seeds | |
|
74 | |
|
|
| Orient Express | ACE Seeds | |
|
63 | |
|
|
| Oriental Express | Nectar Seeds | |
|
70 | |
|
|
| Original Afghan | The Bulldog Seeds | |
|
60 | |
|
|
| Original Afghani #1 | Seedsman | |
|
46 | |
|
|
| Original Ak47 | Dr Grows Productions | |
|
63 | |
|
|
| Original Amnesia | Dinafem | |
|
65 | |
|
|
| Original Amnesia Autoflowering | Dinafem | |
|
80 | |
|
|
| Original Berry | Kannabia Seeds | |
|
63 | |
|
|
| Original Big Bud Super Skunk | High Quality Seeds | |
|
63 | |
|
|
| Original Blueberry | BC Bud Depot | |
|
60 | |
|
|
| Original Californian Orange Skunk | High Quality Seeds | |
|
63 | |
|
|
| Original Cheese | Paradise Seeds | |
|
56 | |
|
|
| Original Clon | Blim Burn Seeds | |
|
53 | |
|
|
| Original Flo | Dutch Passion | |
|
60 | |
|
|
| Original Green | Brazilian S.C. | |
|
84 | |
|
|
| Original Hawaiian Maui Wowie Skunk | High Quality Seeds | |
|
56 | |
|
|
| Original Haze | Zenseeds | |
|
? | |
|
|
| Original Haze | Cultivators Choice | |
|
? | |
|
|
| Original Haze | Seedsman | |
|
95 | |
|
|
| Original Haze | Hemcy Genetics | |
|
70 | |
|
|
| Original Haze x Skunk | High Quality Seeds | |
|
77 | |
|
|
| Original Highway Delight | High Quality Seeds | |
|
49 | |
|
|
| Original Misty | Homegrown Fantaseeds | |
|
60 | |
|
|
| Original OG Kush | Riot Seeds | |
|
70 | |
|
|
| Original Skunk #1 | Seedsman | |
|
63 | |
|
|
| Original Sour Diesel | The Cali Connection | |
|
67 | |
|
|
| Original Swiss Erdbeerli | Alpine-Seeds | |
|
57 | |
|
|
| Original Swiss Strawberry | Green Hornet | |
 |
55 | |
|
|
| Original White Widow | Paradise Seeds | |
|
60 | |
|
|
| Orisha | Mandala Seeds | |
|
70 | |
|
|
| Orisha XL | Mandala Seeds | |
|
? | |
|
|
| Orka | Blim Burn Seeds | |
|
63 | |
|
|
| Ortega | Mr Nice Seedbank | |
|
49 | |
|
|
| Ortega Indica | Dutch Passion | |
|
63 | |
|
 |
| Osiris | Pyramid Seeds | |
|
60 | |
|
|
| Otra Dimension | El Jardin de Maria Seeds | |
|
86 | |
|
|
| Otto #1 | Centennial Seeds | |
|
65 | |
|
|
| Out of the Box | Acumen Genetics | |
|
60 | |
|
|
| Outdoor Grapefruit | Female Seeds | |
|
56 | |
|
|
| OutLaw | Dutch Passion | |
|
74 | |
|
|
| Outsider | High Quality Seeds | |
|
49 | |
|
|
| Outsider | Hemcy Genetics | |
|
53 | |
|
|
| Owls Skunk | SwissSeeds | |
|
? | |
|
|
| Oxygen 19 | Dutch Flowers | |
|
70 | |
|
|
| OZone | TreeTown Seeds | |
|
58 | |
|
