Headmistress by Harry Haze
Headmistress lands on the hybrid side of the spectrum, Harry Haze's take on the White 99 × Headbanger line. Indoors it typically finishes flowering in around 61 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Headmistress grows against.
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Similar strains
| Breeder | Harry Haze |
|---|---|
| Flowering time | ±61 days |
| Environment | Outdoors |
| Lineage | White 99 × Headbanger |
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🧬 Explore the family: White 99 · Headbanger
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Sensi Seeds
Karma Genetics
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Sensi Seeds
Sensi Seeds
The Seed Bank
Original Strains
Unknown or Legendary
Original Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Cultivators Choice
Unknown or Legendary
Karma Genetics
Unknown or Legendary
Clone Only Strains
Original Strains
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Original Strains
Unknown or Legendary
Original Strains
Karma Genetics
Unknown or Legendary
The Cali Connection
Clone Only Strains
Clone Only Strains
The Cali Connection
Clone Only Strains
Sensi Seeds
Original Strains
Original Strains
Growing Headmistress: what to expect
As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Headmistress can lean either direction. Growers familiar with White 99 or Headbanger 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.
Headmistress FAQ
How long does Headmistress take to flower?
Headmistress typically flowers in around 61 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Headmistress an indica or a sativa?
The breeder doesn't specify — treat it as a hybrid and read the plant.
What are the parents of Headmistress?
Headmistress was bred from White 99 × Headbanger by Harry Haze.
What environment does Headmistress 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 Headmistress? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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