White Russian by Serious Seeds
4 other breeders' versions of White Russian — compare flowering times side by side →
Back in the mid-90s, Simon over at Serious Seeds decided to smash two absolute heavyweights together, crossing their legendary AK-47 with a killer clone of White Widow. The result was White Russian, and let me tell you, it completely changed the indoor scene. For a long time, this was widely considered the strongest strain in the world, regularly testing over 22% THC back when those numbers actually meant something. It became an instant staple in Amsterdam's coffeeshops, pulling down a Cannabis Cup win in '96 and proving that you could get monstrous potency without sacrificing yield.
In the grow room, White Russian is an absolute dream to work with. She grows medium-tall but stays remarkably uniform, making her perfect for guys running tight indoor setups. And the leaf-to-bud ratio is phenomenal. You won't spend days in trim jail because the colas are dense, chunky, and practically manicure themselves. Right around week five of flower, the frost production goes into overdrive. The resin rails build up so thick that the plants look like they've been left out in a blizzard. The smell in the tent gets aggressively pungent—a sharp, skunky, sweet aroma that definitely requires a fresh carbon filter.
Smoking White Russian is an experience you don't forget. It hits you fast right behind the eyes with a strong cerebral rush, but then that heavy indica dominance creeps down your spine and locks you in. It's a fantastic, stable F1 hybrid that has stood the test of time. A lot of old heads on the forums still swear by it, not just for the nostalgia, but because finding a pheno that yields this well and hits this hard is still a rarity.
🏆 Legendary Foundation Strain
This is one of the most influential cannabis varieties in history. White Russian has been used to breed 49 documented descendant strains in our database, making it a cornerstone of modern genetics.
🌿 Start a White Russian journal — free →
Similar strains
| Breeder | Serious Seeds |
|---|---|
| Type | mostly indica |
| Flowering time | ±58 days |
| Environment | Outdoors, Greenhouse |
| Lineage | AK47 × White Widow |
| Descendants | Bulk Seed Bank - White Russian, Ballerblume #1, Strawberry Dream Auto, Twisty Treat Seeds - White Russian Widow, White Russian, White Russian Automatic, PainKiller, White Yoda Auto, Ninja Turtle, Tang, White Psycho, White Russian Autoflowering #1, Kremlin, Auto Moscow, Onyx, White Russian OG, Afropips Seeds - Malaki, Brusski Russki, Sweet Russian, Royal Dane, White Choco, Power Russian, Blond Russian Lady, Babushka, Trans Siberian, Adonai Kush, Acumen Genetics - Covert, Serious Kush, Auto White Prussian, Organic White Russian, Sugarpop, Automatic White Russian, Red Russian XXL, Satan's Bride, White Russian, White Sirius, White Prussian, White Russian Autoflowering, Auto White Russian, Kong, Russian Snow, Rasputin IBL, Original Auto Russian, Bazinga, White Spanish, Storm Trooper, Auto Russian, White Rush Auto, White Russian Widow |
🌱 Get White Russian seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: AK47 · White Widow · Bulk Seed Bank - White Russian · Ballerblume #1 · Strawberry Dream Auto · Twisty Treat Seeds - White Russian Widow · White Russian · White Russian Automatic · PainKiller · White Yoda Auto
Ancestry Pedigree
Serious Seeds
Original Strains
Original Strains
Original Strains
Original Strains
De Sjamaan
Original Strains
Original Strains
Growing White Russian: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with AK47 or White Widow will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.
White Russian FAQ
How long does White Russian take to flower?
White Russian typically flowers in around 58 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is White Russian an indica or a sativa?
White Russian is listed as mostly indica.
What are the parents of White Russian?
White Russian was bred from AK47 × White Widow by Serious Seeds.
What environment does White Russian like?
Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.
📷 Growing White Russian and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing White Russian? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
Track your own grow free — the journal grades your environment against these bands →
Get the one-page grow reference card
VPD, pH by medium, deficiency symptoms and dry/cure targets on a single printable page. Free — plus the occasional grow-data breakdown. No spam, unsubscribe in one click.