Cortez The Killer by Swamp Boys Seeds

Flower ±63 daysCross McFly × Georgia Pine

Growers reach for Cortez The Killer as a hybrid option, a cross of McFly × Georgia Pine out of Swamp Boys Seeds. Indoors it typically finishes flowering in around 63 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Cortez The Killer grows against.

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BreederSwamp Boys Seeds
Flowering time±63 days
EnvironmentOutdoors, Greenhouse
LineageMcFly × Georgia Pine

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🧬 Explore the family: McFly

Ancestry Pedigree

McFly
Unknown or Legendary
Sour Queen
Reservoir Seeds
Double Sour Diesel
Reservoir Seeds
Sour Diesel IBL
Reservoir Seeds
Sour Diesel
Unknown or Legendary
Original Diesel
Unknown or Legendary
MassSuperSkunk
Unknown or Legendary
Super Skunk
Sensi Seeds
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Afghanistan Indica
Original Strains
Chem Dawg
Unknown or Legendary
Indica
Original Strains
DNL
Unknown or Legendary
RFK
Unknown or Legendary
Skunk
Unknown or Legendary
Skunk Nr1
Cultivators Choice
Northern Lights
Unknown or Legendary
Killer Queen
Reservoir Seeds
Killer Queen
BC Growers Association
G-13
Unknown or Legendary
Indica
Original Strains
Cinderella 99
Brothers Grimm
Cinderella 99
Brothers Grimm
Princess
Unknown or Legendary
Jack Herer
Sensi Seeds
Northern Lights Nr5
The Seed Bank
Northern Lights 5 Skunk Nr1 F1 Hybrid
The Seed Bank
Northern Lights Nr5
The Seed Bank
Skunk Nr1
The Seed Bank
Original Haze
Cultivators Choice
Haze
Unknown or Legendary
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Thailand Sativa
Original Strains
India Sativa
Original Strains
Unknown Strain
Original Strains
P94
Unknown or Legendary
Princess
Unknown or Legendary
Cinderella 88
Unknown or Legendary
Princess
Unknown or Legendary
P75
Unknown or Legendary
Princess
Unknown or Legendary
P50
Unknown or Legendary
Princess
Unknown or Legendary
Shiva Skunk
Sensi Seeds
Georgia Pine
Swamp Boys Seeds
Killer Queen
BC Growers Association
Williams Wonder
Super Sativa Seed Club
Indica
Original Strains

Growing Cortez The Killer: what to expect

As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Cortez The Killer can lean either direction. Growers familiar with McFly or Georgia Pine 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.

Cortez The Killer FAQ

How long does Cortez The Killer take to flower?

Cortez The Killer typically flowers in around 63 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Cortez The Killer an indica or a sativa?

The breeder doesn't specify — treat it as a hybrid and read the plant.

What are the parents of Cortez The Killer?

Cortez The Killer was bred from McFly × Georgia Pine by Swamp Boys Seeds.

What environment does Cortez The Killer 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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Facts compiled from public breeder listings. Growing Cortez The Killer? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.