McFly by Unknown or Legendary
1 other breeder's version of McFly — compare flowering times side by side →
McFly lands on the hybrid side of the spectrum, Unknown or Legendary's take on the Sour Queen × Cinderella 99 line. Indoors it typically finishes flowering in around 70 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real McFly grows against.
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Similar strains
| Breeder | Unknown or Legendary |
|---|---|
| Flowering time | ±70 days |
| Environment | Indoors, Outdoors |
| Lineage | Sour Queen × Cinderella 99 |
| Descendants | Cortez The Killer, Summer Breeze, White Sour Pineapples, Sour Pineapple Cookies |
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🧬 Explore the family: Sour Queen · Cinderella 99 · Cortez The Killer · Summer Breeze · White Sour Pineapples · Sour Pineapple Cookies
Ancestry Pedigree
Reservoir Seeds
Reservoir Seeds
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
Soma Seeds
Original Strains
Mr Nice Seedbank
Unknown or Legendary
Original Strains
Reservoir Seeds
BC Growers Association
Unknown or Legendary
Original Strains
Brothers Grimm
Brothers Grimm
Brothers Grimm
Sensi Seeds
The Seed Bank
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Sensi Seeds
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
Growing McFly: what to expect
As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within McFly can lean either direction. Growers familiar with Sour Queen or Cinderella 99 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.
McFly FAQ
How long does McFly take to flower?
McFly typically flowers in around 70 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is McFly an indica or a sativa?
The breeder doesn't specify — treat it as a hybrid and read the plant.
What are the parents of McFly?
McFly was bred from Sour Queen × Cinderella 99 by Unknown or Legendary.
What environment does McFly 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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