Jack the Ripper Marijuana Strain [Full Review]

Jack the Ripper Marijuana Strain [Full Review]

Jack the Ripper is a sativa-leaning hybrid that offers a euphoric and uplifting high that also is calming at the same time. It can help with things such as ADD and ADHD to depression and anorexia. This strain also has a refreshing and revitalizing taste - primarily of tangy lemon, with notes of pine and citrus as well.

Dominant Terpene:
Humulene, Limonene, Terpinolene
Common Usage
Chronic painDepressionFatigueLack of appetiteStress
Growing Info
This strain can be grown both indoors and outdoors, average flowering time indoors is approximately 8-9 weeks, or late September to early October if growing outdoors.

The Jack the Ripper strain is named after the mysterious serial killer who terrorized London in 1888. With so many cannabis strains out there, this strain has undoubtedly one of the most memorable names. Rather than a morbid homage to a notorious murderer, this strain’s name points more to its lineage, and it’s fast-acting effects.

Keep reading to discover all about the Jack the Ripper marijuana strain with our complete review…

What Is the Jack the Ripper Strain?

The Jack the Ripper strain is widely regarded among cannabis lovers as the flagship hybrid of legendary cannabis breeders Subcool’s the Dank. Jack the Ripper, often abbreviated to JTR, was reportedly created to make Subcool’s Jack’s Cleaner in seed form.

Many describe Jack the Ripper as one of the fastest-acting Lemon Haze strains on the market today. The Jack in JTR’s name is due to it being a cross of a Jack’s Cleaner clone. Subcool crossed this clone with a male version of the Space Queen strain, the comically-named Space Dude.

The Jack the Ripper strain has become extremely popular and is available in most West Coast recreational and medical marijuana dispensaries. JTR is typically available at dispensaries as edibles, extracts, candies, gummies, and more.

When tested, most Jack the Ripper samples show that they contain approximately 15-20% THC.

This THC content makes JTR a moderately potent strain. Due to the rapid onset of JTR’s uplifting and energizing effects, many laud it as an outstanding wake-and-bake strain.

However, novices should tread lightly with Jack the Ripper, and be careful not to over-consume this relatively potent strain. More experienced cannabis consumers will likely better tolerate and enjoy JTR’s energizing, uplifting sativa-dominant effects.

Some find that the Jack the Ripper strain’s cerebral effects can lead to more abstract, creative thinking. Therefore, artistic types searching for a little inspiration may find this strain useful for getting their creative juices flowing.


Apart from its name, Jack the Ripper’s aroma is equally distinctive and memorable. A strong lemony zest coupled with hints of spice and pine gives this strain a beautifully fragrant aroma.


The moment that Jack the Ripper is smoked, its flavor profile is immediately recognizable. On the inhale, Jack the Ripper has a noticeable creamy and tangy taste. After exhaling, a sweet lemony aftertaste is complemented nicely with hints of earth and fresh pine.


A mature Jack the Ripper plant produces distinctive triangle-shaped buds that are coated heavily in resinous trichomes. When fully grown, a JTR plant typically reaches around 65 inches in height.

Jack the Ripper Strain Grow Info

A Jack the Ripper plant can be successfully grown both indoors and outdoors. However, if you plan on growing this plant outdoors, keep in mind that it needs lots of sunshine.

Experienced JTR growers say this plant needs to be grown in a sheltered spot. While some consider JTR to be a hardy plant that can survive in cooler temperatures, it is best to avoid exposing it to frost.


A JTR plant grown indoors typically flowers between 8-9 weeks and produces a yield of nine ounces per square meter. Outdoors, this plant is ready for harvesting in late September or early October. Expect an average return of around thirteen ounces per plant.

THC Content – Highest Test

As previously mentioned, Jack the Ripper has a THC level of approximately 15-20%. Some believe that Jack the Ripper’s THC content can reach the high 20s. However, most agree that 20% is a more accurate upper-end figure for JTR’s THC content.

CBD Content – Highest Test

A less contentious issue is Jack the Ripper’s CBD content. The reason for this is that JTR only contains minimal amounts of cannabidiol. With the Jack the Ripper strain, you’re looking at a CBD content of approximately 0.20%.

Medical Benefits of the Jack the Ripper Strain

While the Jack the Ripper strain is commonly used for recreational purposes, it is widely regarded as a top-quality medical marijuana strain. JTR’s uplifting and mood-enhancing effects make it a firm favorite for those looking to manage chronic stress and depression.

The Jack the Ripper strain purportedly has some analgesic properties too, and some use it to alleviate chronic pain conditions. Some painful conditions that people use Jack the Ripper for include arthritis, migraines, and lower back pain.

Please note that some find that JTR gives them the “munchies”, so be mindful of this if you’re on a diet trying to lose weight.

Possible Side Effects of the Jack the Ripper Strain

There are some adverse side effects associated with the Jack the Ripper strain. The most commonly reported adverse effects are dry mouth (cottonmouth) and dry eyes. You will likely feel parched and dehydrated after consuming JTR.

Additionally, be ready for dry and itchy eyes that might become heavy or irritated. Neither of these more common side effects is a cause for concern. They are both manageable with a little extra preparation and planning.

You can lessen the cottonmouth side effect by drinking plenty of water before, during, and after your high. Also, dry eyes are easily relieved by eye drops.

However, please note that some individuals experience mild paranoia after consuming JTR. This is perhaps due to JTR’s higher THC content, or by consuming too much of this strain in one sitting.

Some people are very sensitive to THC; this is common among those diagnosed with a mood disorder. If you know you are sensitive to THC, it is essential to know your limits and be careful with how much you consume.

Some other Jack the Ripper side effects include heightened anxiety and dizziness and headaches. Most experienced cannabis consumers who are sensible should be able to avoid these less common adverse reactions.

Final Thoughts on Jack the Ripper Marijuana Strain

The Jack the Ripper strain is a high-quality sativa-dominant hybrid that many recreational cannabis consumers will enjoy. JTR’s fast-acting, uplifting and energizing effects have made it a very popular choice for those who like to ‘wake-and-bake.’

Jack the Ripper also has several purported potential health benefits to offer to the medicinal consumer. However, medical marijuana patients should be mindful of JTR’s moderately high THC level and low CBD content.

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