Scarlet Queen by SubCool
A sativa-leaning cross of Killer Queen × Space Queen, Scarlet Queen — released by SubCool — shows up in a lot of tents for good reason. Indoors it typically finishes flowering in around 56 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Scarlet Queen grows against.
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Similar strains
| Breeder | SubCool |
|---|---|
| Type | mostly sativa |
| Flowering time | ±56 days |
| Environment | Outdoors |
| Lineage | Killer Queen × Space Queen |
| Descendants | Plátano Rojo |
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🧬 Explore the family: Killer Queen · Space Queen · Plátano Rojo
Ancestry Pedigree
BC Growers Association
Unknown or Legendary
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Brothers Grimm
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Clone Only Strains
Unknown or Legendary
Original Strains
Original Strains
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Cultivators Choice
Original Strains
Original Strains
Original Strains
Brothers Grimm
Brothers Grimm
Brothers Grimm
Brothers Grimm
Unknown or Legendary
Brothers Grimm
Unknown or Legendary
Brothers Grimm
Sensi Seeds
The Seed Bank
The Seed Bank
The Seed Bank
BC Growers Association
Unknown or Legendary
Original Strains
Brothers Grimm
Growing Scarlet Queen: 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 Killer Queen or Space Queen 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.
Scarlet Queen FAQ
How long does Scarlet Queen take to flower?
Scarlet Queen typically flowers in around 56 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Scarlet Queen an indica or a sativa?
Scarlet Queen is listed as mostly sativa.
What are the parents of Scarlet Queen?
Scarlet Queen was bred from Killer Queen × Space Queen by SubCool.
What environment does Scarlet Queen 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 Scarlet Queen? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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