Petrol Rainbow by Kaiser Chief
Bred by Kaiser Chief from Jet Fuel Gelato × Sour Gelato, Petrol Rainbow is an indica-leaning cannabis variety. Indoors it typically finishes flowering in around 53 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Petrol Rainbow grows against.
🌿 Start a Petrol Rainbow journal — free →
Similar strains
| Breeder | Kaiser Chief |
|---|---|
| Type | mostly indica |
| Flowering time | ±53 days |
| Environment | Indoors |
| Lineage | Jet Fuel Gelato × Sour Gelato |
🌱 Get Petrol Rainbow seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Jet Fuel Gelato · Sour Gelato
Ancestry Pedigree
Unknown or Legendary
303 Seeds
Unknown or Legendary
Unknown or Legendary
Sensi Seeds
Sensi Seeds
The Seed Bank
Cultivators Choice
Original Strains
Original Strains
Original Strains
Original Strains
Unknown or Legendary
Original Strains
303 Seeds
Clone Only Strains
Clone Only Strains
Original Strains
Unknown or Legendary
DNA Genetics Seeds
Unknown or Legendary
Soma Seeds
Unknown or Legendary
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Unknown or Legendary
Clone Only Strains
Unknown or Legendary
Clone Only Strains
Original Strains
Clone Only Strains
Clone Only Strains
Unknown or Legendary
Unknown or Legendary
Dutch Passion
Original Strains
Unknown or Legendary
Clone Only Strains
Tiger Trees
Unknown or Legendary
Tiger Trees
Unknown or Legendary
Reservoir Seeds
Unknown or Legendary
Growing Petrol Rainbow: 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 Jet Fuel Gelato or Sour Gelato 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.
Petrol Rainbow FAQ
How long does Petrol Rainbow take to flower?
Petrol Rainbow typically flowers in around 53 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Petrol Rainbow an indica or a sativa?
Petrol Rainbow is listed as mostly indica.
What are the parents of Petrol Rainbow?
Petrol Rainbow was bred from Jet Fuel Gelato × Sour Gelato by Kaiser Chief.
What environment does Petrol Rainbow 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 Petrol Rainbow and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Petrol Rainbow? 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.