OG #18 Cannabis Strain Review

OG #18 Cannabis Strain Review

This is a potent strain that serves as a great example of the OG Kush family. The OG #18 strain could help you chill out, and leave you feeling calm and sleepy.

Dominant Terpene:
Caryophyllene, Limonene, Myrcene
Common Usage
AnxietyChronic painSleep
Growing Info
A simple strain to grow for yourself; OG #18 needs a bit of tender love and care to encourage a higher yield.

Concerning marijuana, the letters “OG” have several possible meanings. Examples include ‘Original Gangster’ and ‘Ocean Grown.’ These days, breeders tend to use the letters when trying to name strains. This is especially the case if, like OG #18, it comes from a ‘classic’ such as OG Kush.

OG #18 has won a variety of accolades, including Cannabis Cup awards in 2009 and 2010, so let’s see what the fuss is about.

What Is the OG #18 Strain?

OG #18 comes from DNA Genetics and is a phenotype of OG Kush. It is a sativa-dominant hybrid, also known as ‘Private Reserve.’ It provides an intense cerebral high soon after use and could help lingering doubts and worries melt away.


In general, users say they feel in a relaxed frame of mind, so OG #18 cannabis isn’t the best option for productivity.

Soon enough, the body high takes hold, and the strain’s sedative effects begin to kick in. Some users suggest they feel happy and clear-headed, though they don’t have an inclination to move around! Please note that the high from OG #18 could last several hours. You might also experience an increase in appetite.


OG #18 provides a pungent odor as it grows that becomes more pronounced as the flowering time approaches. Apart from a strong diesel scent, you could also experience some earthiness, and perhaps hints of citrus.


When you first start smoking OG #18, the first thing that will hit you is a burst of diesel flavor. Those used to Kush strains will get a familiar fuel and pine taste. Rather than getting notes of citrus as you do with the aroma, you’re more likely to experience sourness.


OG #18 buds are often dense, thick, and resinous. The stickiness is due to the smattering of white trichomes. There are also plenty of orange pistils that provide an aesthetically pleasing appearance overall.

OG #18 Strain Grow Info

OG #18 is relatively easy to cultivate. It grows well both indoors and outside and is resistant to mold, most diseases, and pests.

When growing it outdoors, make sure you live in a warm, Mediterranean climate. You will also enjoy an excellent cultivation experience if you have a greenhouse. When growing OG #18 strain seeds indoors, consider using a hydroponic system to increase the size of your harvest.

Indoors, the flowering time of OG #18 is 8-9 weeks. Its yield is moderate to high at approximately 16-18 ounces per square meter planted. Outdoors, it is usually ready for harvest by early October or even the end of September. Its yield in this instance is up to 20 ounces per plant.

You can also encourage a higher quantity of bud by utilizing some topping techniques and practicing careful pruning. By trimming off the tip of the plant and cutting away some of the larger leaves, you might boost your final yield.

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THC Content – Highest Test

OG #18 cannabis usually has an average THC content of 16-18%, though some versions may have around 20%.

CBD Content – Highest Test

Most THC-rich strains have minimal CBD, and OG #18 is no different. It has less than 1%, and often only a little more than 0.1%.

Medical Benefits of the OG #18 Strain

MMJ users often try OG #18 to help them soothe pains and aches. The combination of a reasonable THC level, and fast-acting effects, make it a popular medical marijuana option.

OG #18 could also assist individuals with mental health issues such as severe depression or anxiety. This is possibly because of its ability to help you relax and feel comfortable.

One of the most popular reasons for using OG #18 is if you have difficulty sleeping. It tends to help you drift off towards the end of your high. Therefore, you might find it useful if you generally struggle to relax before bedtime.

Possible Side Effects of the OG #18 Strain

The OG #18 strain comes with the usual side effects, which include dry mouth and dry eyes. The high amounts of THC could induce dryness in your mouth and eyes, leaving you desperate for a glass of water.

The fast-acting effects of OG #18 might take a novice by surprise and cause dizziness. According to some users, this situation can happen quickly and is potentially a frightening experience if it occurs unexpectedly.

It is a similar situation with this strain’s strong sedative effects. If you overindulge, this feeling will take over rapidly, and leave you couch-locked. Make sure you are ready by preparing a comfortable place to lie down.

There is also the occasional risk of anxious thoughts after smoking OG #18. However, this usually happens with individuals who already struggle with anxiety.

Final Thoughts on the OG #18 Strain

OG #18 is a variation of a classic strain. While it is different from OG Kush, it is similar enough to have relatively predictable and pleasant effects.

It offers a fantastic high that hits you almost straight away. It is potentially useful if you want to try MMJ as an analgesic, and could also help individuals with insomnia.

When growing OG #18, make sure you do so in a properly sealed grow room. It has an extremely pungent odor that could attract the unwanted attention of neighbors. This is less of an issue if you are growing marijuana legally, however!

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