Walter White by Mephisto Genetics

Walter White strain photo
Type ruderalis/indica/sativaFlower ±75 daysCross The White × Ruderalis

When the boys at Mephisto Genetics decided they wanted to port the ridiculous resin production of Krome's infamous "The White" cut into an autoflower format, nobody knew just how legendary the result would be. They hit that photoperiod clone with a mystery sativa auto, and after some serious backcrossing—specifically the BX1 line—they locked down a strain that actually lives up to its namesake. It’s a beautifully fine-tuned auto that leans just enough into its indica heritage while still maintaining the serious vigor you want in a modern autoflowering plant.

In the tent, this girl is an absolute beast. You’re looking at a medium-to-large structure that easily pushes past a meter tall if you treat her right, throwing out long, outward-stretching branches that just beg to be tied down. Growers consistently report that she dumps frost early and heavy, packing on trichomes that reek of straight Lemon Pine-Sol floor cleaner. She can get a little leafy depending on the phenotype, but the sheer volume of resin makes trimming a breeze if you're washing it for hash.

Check any major forum like THC Farmer or the MephHeads sub, and you'll see why this one is a permanent staple. Guys are pulling absolute units out of soil and hydro alike. It's not the absolute fastest auto on the market—often going 80-plus days from sprout—but the trade-off is top-shelf bag appeal and a terpene profile that punches you right in the face. If you're chasing that boutique quality in an auto format, this is the gear.

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BreederMephisto Genetics
Typeruderalis/indica/sativa
Flowering time±75 days
EnvironmentOutdoors
LineageThe White × Ruderalis
DescendantsAuto Gorilla Meth, Beary White, Heisenberg Special, The Donald, White Crack, White Stomper V3, White Triangle, The White Train, Grapey Walter, Fugue State, White Chem, Auto Erotic Assimilation, White 'n' Bubbly, Skylar White

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🧬 Explore the family: The White · Ruderalis · Auto Gorilla Meth · Beary White · Heisenberg Special · The Donald · White Crack · White Stomper V3 · White Triangle · The White Train

Ancestry Pedigree

The White
Clone Only Strains
Indica Sativa
Original Strains
Ruderalis
Original Strains

Growing Walter White: 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 The White or Ruderalis 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.

Walter White FAQ

How long does Walter White take to flower?

Walter White typically flowers in around 75 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Walter White an indica or a sativa?

Walter White is listed as ruderalis/indica/sativa.

What are the parents of Walter White?

Walter White was bred from The White × Ruderalis by Mephisto Genetics.

What environment does Walter White 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.

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