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OG Kush
Pine · Woody · Earthy
HybridCultivar profile
OG 18.
OG #18 is a named OG Kush selection also known as Private Reserve. Diesel and sour notes distinguish its published flavor description, with earth and pungency recurring in reader categories. The cultivar received High Times Cannabis Cup recognition in 2009 and 2010. Relaxation, sleepiness, and tingling appear frequently in reports, and its numbered name identifies a selection rather than a separate two-parent pedigree.
Also known as OG #18, OG18, Private Reserve OG, Private Reserve, Reserve OG
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O1THE DAMN GOOD FIELD GUIDE
What’s in the name?
PungentEarthyDieselSour
Descriptors reported in the sources below. Aroma and taste can change between samples.
How people describe it.
RelaxedSleepyTingly
Personal reports, not promises or medical findings. Experiences vary, including unwanted effects.
The same historical records also include reports of dry eyes, dry mouth, headache. These are anecdotes, not estimates of likelihood.
03 / Family tree
A little background.
Leafly describes OG #18 as a phenotype of OG Kush, not a cross with an additional documented parent.
Reported lineage
OG 18
Go a little deeper Historical lab notes & terpene chart+
These are historical observations from samples carrying this name, collected between December 2013 and January 2021. They are not specifications for every plant or a current product.
Commonly measured terpenes
Median concentration by mass; bars share a 0–2% scale. Individual results vary.
Cannabinoid snapshot
Total THC22.4%Median · middle 80% 17.6–26.6%65 measurements
Total CBD0.1%Median · middle 80% 0.0–0.3%63 measurements
Total THC includes a calculated contribution from THCA. It is not measured THCA alone.
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Sources & notes.
Reviewed October 2026. Commercial type labels are used for navigation, not as a guarantee of genetics or effects.