Apollo 13 by Unknown or Legendary
2 other breeders' versions of Apollo 13 — compare flowering times side by side →
A sativa-leaning cross of Genius × P75, Apollo 13 — released by Unknown or Legendary — shows up in a lot of tents for good reason. 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 Apollo 13 grows against.
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Similar strains
| Breeder | Unknown or Legendary |
|---|---|
| Type | mostly sativa |
| Flowering time | ±53 days |
| Environment | Indoors, Outdoors |
| Lineage | Genius × P75 |
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🧬 Explore the family: Genius · P75
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Growing Apollo 13: 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 Genius or P75 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.
Apollo 13 FAQ
How long does Apollo 13 take to flower?
Apollo 13 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 Apollo 13 an indica or a sativa?
Apollo 13 is listed as mostly sativa.
What are the parents of Apollo 13?
Apollo 13 was bred from Genius × P75 by Unknown or Legendary.
What environment does Apollo 13 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 Apollo 13? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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