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Royal Jack
Hybrid 60% S, 40% I
Dominant terpene
Limonene 0.38%

13.75 - 15%


0.96 - 1.38%


0.25 - 1.05%


Pine, Sweet



Royal Jack is an auto-flowering hybrid of the Jack Herer strain, named after the famous campaigner for the legalization of cannabis. Royal Jack strain retains the invigorating effect of the original Herer with a 60% Sativa predominance but brings something new and intriguing to cannabis lovers, regardless of the age of use. The weed contains 15% THC and about 1% CBD.

All About Royal Jack Weed Strain

The seeds contain the following terpenes in a relatively concentrated proportion:

Taste and Aroma

This variety has a sweet and, at the same time, peppery aroma, with an admixture of rose and a little viscous tobacco. The taste matches the profile, but it is saturated with notes of peach and butter.

Royal Jack Weed Strain Effects

From the very first puff, you feel a noticeable increase in uplift accompanied by a slight tingling, similar to Vibro massage, concentration on details, and a laughable perception of reality. You will want to chat and giggle.

The effects of Indica, however, are noticeable either – the high relax your muscles and make you free from thoughts. The effects of cannabis are not too intrusive and are quite adequate for any sunny weekend.

Sometimes smokers complain that after using a strain, they have low blood pressure.

Common Usage

The mild, invigorating effects of the strain help overcome stress and fatigue, restore strength, and reduce pain, including migraines, muscle cramps, and menstrual cramps.

Growing Info

Due to the auto-flowering nature of Royal Jack strain, it can be grown in almost any climate. From seed to harvest, Royal Jack Weed completes its growth cycle in 9-10 weeks. Bushes reach a height of 60-80 inches. Outdoor growers get about 550 g/plant, indoors 400 g/m2.

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Strain details

Royal Jack Strain Cannabinoids

THC Tetrahydrocannabinol, or THC, is a major cannabis chemical compound. It is a psychoactive element that stimulates dopamine release and induces euphoria or happiness. THC-rich strains may be helpful with such conditions as lack of appetite, chronic pains , etc. It is considered to be the primary active marijuana component. 13.75 - 15%
CBD Cannabidiol, or CBD, is a major compound in cannabis, which is non-psychoactive. It is also proved to counteract the side effects of the second major component THC. CBD is widely used for medicinal purposes in rubs, oils and so on. It is helpful in muscle pain cases, may treat arthritis and migraines. Even Greeks used it against pain, while Queen Victoria applied it to get rid of menstrual cramps. 0.96 - 1.38%
CBC Cannabichromene, or CBC, is a minor cannabinoid, meaning that its quantity in cannabis is quite little. Though it has the same origin as CBD and THC, it is different in functions. Without any psychoactive effects, it is an efficient cannabis compound in combating acne and depression. CBC produces analgesic, antibacterial and anti-inflammatory effects. 0.36 - 0.54%
CBG Cannabigerol, or CBG, is one of the minor cannabis compounds in adult plants. On the other hand, young ones contain a lot of this antibacterial and anti-inflammatory component. During the growth, CBG is converted into different cannabinoids, mostly THC and CBD. The compound itself increases appetite and decreases eye pressure. 0.25 - 1.05%
CBN Cannabinol, or CBN, is a trace element in cannabis that is considered to be mildly psychoactive. It appears from oxidation THC, exposed to light and heat. CBN is mostly contained in old cannabis and in traditional hashish. It is effective against insomnia, bacterial infections and appetite loss. 0.1 - 0.2%
THCV Tetrahydrocannabivarin, or THC-V, is a compound contained in cannabis in trace amounts. Even though it is close to THC molecularly, it is different in effects. This compound may be psychoactive only in large amounts. THC-V reduces blood sugar, controls appetite, stimulates bone growth, etc. African Sativa strains are the richest in THC-V. 0.37 - 0.88%

Royal Jack Terpene Profile

Myrcene Myrcene (also known as β-myrcene) is one of the most common terpenes found in cannabis, representing more than 20% of the modern marijuana terpene profile. Myrcene has a distinct earthy, musky flavor, resembling cloves. It is responsible for calming and soothing effects of weed. Myrcene is also found in hops, thyme, mango, lemongrass, guava melon. 0.29%
Ocimene Ocimene (derived from the Ancient Greek word Ocimum meaning basil) is a terpene with sweet and herbaceous flavors, also boasting citrusy and woody undertones. Naturally, ocimene occurs in mint, parsley, orchids, hops, kumquats, mangoes, basil, bergamot, lavender, and pepper. Offers antifungal, anti-inflammatory, and antiviral properties. 0.1%
Limonene Limonene (also known as d-limonene) is the second most common terpene in nature and the third most common terpene in cannabis. It has a powerful citrus aroma and can be found in all citruses, including lemons, oranges, grapefruits, limes, juniper, etc. Limonene is known to elevate moods and provide anxiety, depression, and stress relief. 0.38%
Pulegone Pulegone is a less-common terpene found in peppermint and catnip, for example, with a sweet and minty aroma. In small amounts, pulegone could be found in some cannabis strains. It is reported to offer anxiety-relieving effects, increased cognitive performance, and sedative properties. Could remove dizziness. 0.24%
Total terpenes content 1.01%

Growing Info

Flowering time 64 - 76 Days
Flowering type Photoperiod
Grow difficulty Difficult
Harvest time 82 Days
Yield outdoor 15 - 20 Oz/plant (~ 550 g/plant)
Yield indoor 1 - 2 Oz/Ft² (~ 400 g/m²)
Height indoor 60-80
Height outdoor 60-80

Royal Jack strain lineage

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