Ol' Blue by Cannabeizein
Ol' Blue, from breeder Cannabeizein, is a hybrid strain descended from Blue City Diesel × Old School Jams. Indoors it typically finishes flowering in around 60 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Ol' Blue grows against.
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Similar strains
| Breeder | Cannabeizein |
|---|---|
| Type | ±60 days |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Blue City Diesel × Old School Jams |
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🧬 Explore the family: Blue City Diesel · Old School Jams
Ancestry Pedigree
Jordan of the Islands
Jordan of the Islands
DJ Short
Unknown or Legendary
DJ Short
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Unknown or Legendary
Unknown or Legendary
Original Strains
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Original Strains
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Original Strains
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Original Strains
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Soma Seeds
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Unknown or Legendary
Unknown or Legendary
Sensi Seeds
Sensi Seeds
The Seed Bank
Cultivators Choice
Original Strains
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
Unknown or Legendary
Unknown or Legendary
Original Strains
Apothecary Genetics
Apothecary Genetics
Unknown or Legendary
Unknown or Legendary
Unknown or Legendary
Original Strains
Unknown or Legendary
Clone Only Strains
Clone Only Strains
Original Strains
Unknown or Legendary
Clone Only Strains
Growing Ol' Blue: what to expect
As a hybrid, expect a moderate stretch after the flip (around 100%) — but watch the plant, not the label: phenotypes within Ol' Blue can lean either direction. Growers familiar with Blue City Diesel or Old School Jams 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.
Ol' Blue FAQ
How long does Ol' Blue take to flower?
Ol' Blue typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Ol' Blue an indica or a sativa?
Ol' Blue is listed as ±60 days.
What are the parents of Ol' Blue?
Ol' Blue was bred from Blue City Diesel × Old School Jams by Cannabeizein.
What environment does Ol' Blue 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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