Oxygen 19 by Dutch Flowers
A sativa-leaning cross of Haze 19 × Indigo Blue, Oxygen 19 — released by Dutch Flowers — shows up in a lot of tents for good reason. 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 Oxygen 19 grows against.
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Similar strains
| Breeder | Dutch Flowers |
|---|---|
| Type | mostly sativa |
| Flowering time | ±70 days |
| Environment | Outdoors |
| Lineage | Haze 19 × Indigo Blue |
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🧬 Explore the family: Haze 19
Ancestry Pedigree
Positronics
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Original Strains
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Dutch Flowers
TH Seeds
Unknown or Legendary
Original Strains
Original Strains
Growing Oxygen 19: 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 Haze 19 or Indigo Blue 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.
Oxygen 19 FAQ
How long does Oxygen 19 take to flower?
Oxygen 19 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 Oxygen 19 an indica or a sativa?
Oxygen 19 is listed as mostly sativa.
What are the parents of Oxygen 19?
Oxygen 19 was bred from Haze 19 × Indigo Blue by Dutch Flowers.
What environment does Oxygen 19 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 Oxygen 19? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
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