The OG #18 by Reserva Privada

The OG #18 strain photo
Type indica/sativaFlower ±60 daysCross OG Kush

Bred by Reserva Privada from OG Kush, The OG #18 is an indica-leaning cannabis variety. 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 The OG #18 grows against.

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BreederReserva Privada
Typeindica/sativa
Flowering time±60 days
EnvironmentIndoors
LineageOG Kush

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🧬 Explore the family: OG Kush

Ancestry Pedigree

OG Kush
Reserva Privada
OG Kush
Clone Only Strains
Unknown Strain
Original Strains
Hindu Kush Indica
Original Strains

Growing The OG #18: 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 OG Kush 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.

The OG #18 FAQ

How long does The OG #18 take to flower?

The OG #18 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 The OG #18 an indica or a sativa?

The OG #18 is listed as indica/sativa.

What are the parents of The OG #18?

The OG #18 was bred from OG Kush by Reserva Privada.

What environment does The OG #18 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 The OG #18? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.