Sour Snow by Twenty 20 Genetics
A sativa-leaning cross of Humbold Snow × Sour Diesel, Sour Snow — released by Twenty 20 Genetics — shows up in a lot of tents for good reason. Reported THC is 20.4% with CBD at 0.3%. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Sour Snow grows against.
🌿 Start a Sour Snow journal — free →
Similar strains
| Breeder | Twenty 20 Genetics |
|---|---|
| Type | mostly sativa |
| THC | 20.4% |
| CBD | 0.3% |
| Environment | Outdoors |
| Lineage | Humbold Snow × Sour Diesel |
| Descendants | The Whip!, Wook Stomper, Made of Honor |
🌱 Get Sour Snow seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Humbold Snow · Sour Diesel · The Whip! · Wook Stomper · Made of Honor
Ancestry Pedigree
Unknown or Legendary
Unknown or Legendary
Original Strains
Nirvana Seeds
Original Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Sensi Seeds
Sensi Seeds
The Seed Bank
Cultivators Choice
Original Strains
Original Strains
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Cultivators Choice
Unknown or Legendary
Clone Only Strains
Growing Sour Snow: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Humbold Snow or Sour Diesel 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.
Sour Snow FAQ
Is Sour Snow an indica or a sativa?
Sour Snow is listed as mostly sativa.
What are the parents of Sour Snow?
Sour Snow was bred from Humbold Snow × Sour Diesel by Twenty 20 Genetics.
How strong is Sour Snow?
Reported THC for Sour Snow is 20.4% and CBD 0.3%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.
What environment does Sour Snow 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 Sour Snow and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Sour Snow? 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.