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Hybrid

Purple OG #18 Strain

THC 20 - 25% | CBD 0 - 1%
Hybrid

About Purple OG #18 Strain

Overview

Purple OG #18 is a hybrid strain, a purple-leaning phenotype within the OG #18 genetic line, known for a strong, relaxing high paired with an earthy, grape-tinged flavor. It typically tests between 20% and 25% THC. It shares the same OG Kush-family foundation as standard OG #18, already documented in this database, but this particular cut has been selected for its purple coloration, which adds a subtle grape note to the otherwise classic diesel-and-earth OG profile.

Strain Helps With

Based on user reviews rather than clinical evidence, Purple OG #18 is commonly cited by users for easing stress and sleeplessness. This is not a substitute for professional medical advice, and given its potency, it's a strain generally better suited to more experienced users or anyone specifically looking for a heavier evening effect.

Terpenes

Its flavor combines myrcene, contributing both the earthy OG backbone and a grape-adjacent sweetness, with caryophyllene rounding out the profile with peppery depth. This combination is fairly typical of purple OG-lineage phenotypes, where the underlying OG structure remains dominant even as the color and a hint of fruitiness shift.

Parents

Purple OG #18 is a purple phenotype within the OG #18 genetic line, itself a numbered phenotype within the broader OG Kush family. As with many numbered OG cuts, the exact secondary cross behind the purple coloration specifically isn't consistently documented, though the OG Kush foundation is well established across multiple sources.

Grow Informations

Moderately challenging to grow, sharing similar humidity sensitivity to other OG Kush cuts, with purple coloration developing under cooler growing temperatures. Indoor flowering time is approximately 8–9 weeks.

Purple OG #18 Strain Effects

Users often report a strong, full-body relaxation with a calming mental effect, well suited to evening use. The most commonly reported negative effects are dry mouth and dry eyes, with drowsiness likely.

  • Relaxed

  • Sleepy

  • Happy

  • Euphoric

Purple OG #18 Strain Flavors

Purple OG #18 has an earthy flavor with a grape-tinged note.

  • Earthy

  • Grape

Frequently Asked Questions Purple OG #18 Strain

It typically tests between 20% and 25% THC.

It's a purple-leaning phenotype within the OG #18 genetic line.

Earthy, with a grape-tinged note.

Its strong, relaxing effects make it a common choice for evening or pre-sleep use.

Mainly myrcene and caryophyllene.

Purchase limits vary by state — check your local regulations for current limits.

Last reviewed: August 2026

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