How does G13 Thirteen Project strain make you feel?

G13 Thirteen Project is a indica strain that primarily produces relaxed effects at 95% intensity, followed by sleepy. With 25.0% THC, this strain is potent and best for experienced users.

G13 Thirteen Project

Q: Are there side effects with G13 Thirteen Project strain?

Some users report dry mouth, dry eyes, dizziness, anxiety, dry mouth, dry eyes, possible dizziness, potential anxiety in sensitive users, couch lock and lethargy when using G13 Thirteen Project. Starting with a low dose can help minimize these effects.

Indica Updated Dec 15, 2025

Also known as: G-13, G Thirteen, Government Indica Strain 13

What is the G13 Thirteen Project strain?

G13 Thirteen Project is a indica cannabis strain with up to 25.0% THC, known for its relaxed effects and afghani and earthy flavor profile.

G13 Thirteen Project is a legendary indica-dominant cannabis strain developed by ApeOrigin from genetics originally created by the Danish breeder Zenseeds. This particular version has its origins in Zenseeds' G13 Project, which crossed an authentic G13 cutting with a robust, high-quality unknown Afghan Indica many years ago. The strain is shrouded in mystery and urban legend, with rumors claiming the original G13 was developed in a classified U.S. government research facility at the University of Mississippi during the 1960s, where agencies allegedly collected the most potent marijuana strains from Afghanistan to create the ultimate indica. While these stories remain unconfirmed, they add to the strain's mystique and allure. After Zenseeds ceased operations, ApeOrigin was fortunate to acquire ten regular seeds of this variety and through careful selection created one of the strongest indica strains available today, producing feminized seeds from their work.

The G13 Thirteen Project is characterized by its extremely dense, olive-green buds that are often described as rock-hard with generous trichome coverage. The strain exhibits a complex aromatic profile featuring strong earthy, sweet Afghani scents with undertones of pine, wood, and subtle skunk notes. This potent indica delivers powerful effects that begin with an initial euphoric rush and cerebral elevation, followed by deep, full-body relaxation that can lead to couch lock and sedation. Users frequently report a unique dreamlike quality to the high, with some describing an out-of-body sensation while still maintaining control. The strain is particularly valued for its consistent potency and classic 'old-school' cannabis effects.

What are the effects of G13 Thirteen Project?

😌 Relaxed

95%

😴 Sleepy

90%

🤩 Euphoric

85%

😊 Happy

75%

🍽️ Hungry

70%

What are the medical benefits of G13 Thirteen Project?

Users report relief from chronic pain
May help with insomnia and sleep disorders
Often used for stress management
May provide relief from anxiety
Users report benefits for arthritis pain

This is not medical advice. Consult a healthcare professional.

What are the side effects of G13 Thirteen Project?

💧 Dry Mouth
👁️ Dry Eyes
💫 Dizziness
😰 Anxiety
Dry mouth
Dry eyes
Possible dizziness
Potential anxiety in sensitive users
Couch lock and lethargy

How do you grow G13 Thirteen Project?

G13 Thirteen Project is considered very easy to grow and is suitable for both indoor and outdoor cultivation. The strain requires good ventilation indoors to prevent mold issues due to its dense bud structure. It can be grown outdoors as long as humidity levels are not too high. Indoor plants typically remain compact at 80-100 cm in height, while outdoor plants can reach up to 110 cm. The flowering period is relatively short at 6-8 weeks (56-70 days). The strain responds well to hydroponic systems and training methods like Screen of Green (SCROG). Topping during early vegetative stage encourages lateral shoot production and enhances yields. Optimal growing conditions include maintaining temperatures between 68-80°F (20-27°C) during the day with nighttime temperatures 7-9°F cooler, and humidity levels of 40-60% during vegetative phase dropping to 30-40% during flowering. The strain is known for producing high yields with proper care.

How should you use G13 Thirteen Project?

G13 Thirteen Project is a indica strain with 25.0% THC, which is considered high potency. As an indica, it is best suited for evening or nighttime use.

Beginners

Start with 1-2 small inhalations or 2.5-5mg if using edibles. Wait 15 minutes before taking more. This strain is potent — start very low.

Regular Users

A standard session of 3-5 inhalations or 5-15mg edible dose. Effects typically onset within 5-15 minutes when inhaled, 30-90 minutes for edibles.

Experienced Users

Adjust to personal tolerance. At 25.0% THC, even experienced users should respect this strain's potency.

Start low and go slow. This is not medical advice — consult a healthcare professional before using cannabis.

What is the genetic lineage of G13 Thirteen Project?

What are G13 Thirteen Project's parent strains?

G13 Thirteen Project Strain Quick Facts

Type: Indica
THC: 18.0% - 25.0%
CBD: 0.46% - 1.0%
Breeder: ApeOrigin

What does G13 Thirteen Project taste like?

Afghani Earthy Pine Skunk Sweet Woody

What terpenes are in G13 Thirteen Project?

Find G13 Thirteen Project Near You

Check availability and delivery options from licensed dispensaries.

Shop on WeedVader

Actions

Random Strain

Frequently Asked Questions

How does G13 Thirteen Project make you feel?

G13 Thirteen Project is a indica strain that primarily produces relaxed effects, followed by sleepy. Users report the dominant effect at 95% intensity. With 25.0% THC, this strain is considered potent and best suited for experienced users.

Is G13 Thirteen Project good for medical use?

G13 Thirteen Project has been reported by users for users report relief from chronic pain, may help with insomnia and sleep disorders, often used for stress management, may provide relief from anxiety, users report benefits for arthritis pain. As an indica strain, it may be particularly suited for evening or nighttime use.

This is not medical advice. Consult a healthcare professional.

Are there side effects with G13 Thirteen Project?

Some users have reported dry mouth, dry eyes, dizziness, anxiety, dry mouth, dry eyes, possible dizziness, potential anxiety in sensitive users, couch lock and lethargy when using G13 Thirteen Project. Starting with a low dose and staying hydrated can help minimize these effects.

What does G13 Thirteen Project taste and smell like?

G13 Thirteen Project features a flavor profile of afghani, earthy, pine, skunk, sweet, woody. The dominant terpenes are Myrcene and Pinene, which contribute to its distinctive aroma.

What do users say about G13 Thirteen Project?

No reviews yet. Be the first to review G13 Thirteen Project!

What does the research say about G13 Thirteen Project?

G13 Thirteen Project is a indica cannabis strain containing up to 25.0% THC, with a terpene profile dominated by Myrcene and Pinene. Below are authoritative resources for understanding the compounds in this strain.

Terpene Research

Cannabinoid Information

Cannabis Regulations & Safety

Browse all strains starting with G

G13 Thirteen Project

What is the G13 Thirteen Project strain?

What are the effects of G13 Thirteen Project?

What are the medical benefits of G13 Thirteen Project?

What are the side effects of G13 Thirteen Project?

How do you grow G13 Thirteen Project?

How should you use G13 Thirteen Project?

Beginners

Regular Users

Experienced Users

What is the genetic lineage of G13 Thirteen Project?

What are G13 Thirteen Project's parent strains?

Frequently Asked Questions

What do users say about G13 Thirteen Project?

What does the research say about G13 Thirteen Project?

Terpene Research

Cannabinoid Information

Cannabis Regulations & Safety

What strains are similar to G13 Thirteen Project?

(G13 Hashplant x Chitral) F3 x Taskenti F2

00 Kush

00 Kush Fast

12 Star

12lb Hammer

1979 Xmas Bud

1984

2 Fast 2 Vast