X13 by Unknown or Legendary
Growers reach for X13 as an indica-leaning option, a cross of Apollo 13 × G-13 out of Unknown or Legendary. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real X13 grows against.
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Similar strains
| Breeder | Unknown or Legendary |
|---|---|
| Type | mostly indica |
| Environment | Indoors, Outdoors |
| Lineage | Apollo 13 × G-13 |
| Descendants | BubbaX, Yeah Buddy, 13 Roses |
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🧬 Explore the family: Apollo 13 · G-13 · BubbaX · Yeah Buddy · 13 Roses
Ancestry Pedigree
Unknown or Legendary
Unknown or Legendary
Sensi Seeds
The Seed Bank
Clone Only Strains
Unknown or Legendary
Original Strains
Original Strains
Sensi Seeds
The Seed Bank
Cultivators Choice
Original Strains
Original Strains
Unknown or Legendary
Brothers Grimm
Sensi Seeds
Original Strains
Unknown or Legendary
Brothers Grimm
Sensi Seeds
The Seed Bank
The Seed Bank
The Seed Bank
Unknown or Legendary
Original Strains
Growing X13: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Apollo 13 or G-13 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.
X13 FAQ
Is X13 an indica or a sativa?
X13 is listed as mostly indica.
What are the parents of X13?
X13 was bred from Apollo 13 × G-13 by Unknown or Legendary.
What environment does X13 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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