OG #18 effects are mostly calming.
OG #18 potency is higher THC than average.
OG #18, also known as "Private Reserve," "Reserve OG," and "OG 18" is a hybrid marijuana strain and a phenotype of OG Kush. OG #18 produces long-lasting sedative effects and pairs well with meditation and relaxation. OG #18 has a distinct diesel kush flavor with sour undertones. This strain was a High Times Cannabis Cup winner in 09' and 10'. Growers say OG #18 has an indoor flowering time of 9 weeks.
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Reported by 475 real people like you
OG #18 strain helps with
- 35% of people say it helps with Stress
- 31% of people say it helps with Pain
- 30% of people say it helps with Anxiety
This info is sourced from our readers and is not a substitute for professional medical advice. Seek the advice of a health professional before using cannabis for a medical condition.
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OG #18 strain reviews(475)
November 30, 2025
I don’t get how people say the strain is 100% Indica. It can’t be if it’s just a phenotype of OG Kush then it’s genetically the same as OG Kush. It doesn’t matter if it’s got more Indica like effects it might lean more towards the Indica side, but you can’t just say it’s 100% Indica or 75% Indica because technically it’s the same genetics as OG Kush and if I’m not mistaken OG Kush is like 55% Indica therefore private reserve OG or OG 18 is 55% Indica and there’s no way to prove any different. You can’t test the genetics and say oh this is so much percent Indica no it was made with two strains the same two strains as OG Kush was so therefore It’s 55% Indica 45% sativa
A great strain for pains and sleep. It doesn’t have any hunger effects to it either.
I have spent a good amount of time thinking about this strain before deciding to review it. Initially, I did not like Private Reserve OG. I thought it tasted like someone grabbed a random fistful of greenery, spritzed it with perfume, then shoved it in my mouth. I hated the taste and I really didn't feel much of anything the first two times I tried, though they were low doses.
I gave it another go about a month later and I can't believe I almost gave it up. This strain is an amazing stress reliever while not clouding your brain. I feel content, relaxed, and relatively stress free at the moment. Even in high doses, I can still work through the light haze of euphoria and get my work done. It's a great strain for listening to music too.
I'm still not a big fan of the taste, but I'm so glad I gave it another chance because it was worth it. My husband now uses it daily at work for stress and pain and it's his top #1 favorite.
