What is the main difference between G13 and Jack Frost?

G13 is a Indica strain (70% Indica / 30% Sativa) with THC levels of 22–24%, while Jack Frost is a Hybrid strain (50% Indica / 50% Sativa) with THC levels of 21–25%.

Which strain has higher THC — G13 or Jack Frost?

Jack Frost has higher THC at 21–25%, compared to G13 at 22–24%.

Is G13 or Jack Frost easier to grow?

G13 has moderate growing difficulty with a 10-11-week flowering period, while Jack Frost has moderate difficulty with a 9-week flowering period.

What effects does G13 have compared to Jack Frost?

G13 produces euphoric, happy, relaxing, sleepy, uplifting effects, ideal for evening use. Jack Frost produces euphoric, uplifting, aroused, creative, focus effects, best for morning use.

What terpenes are in G13 and Jack Frost?

G13 features Myrcene, Limonene, Caryophyllene, giving it pine, sweet, wood flavors. Jack Frost features Terpinolene, with citrus, pine, sweet flavors.

Which medical conditions can G13 and Jack Frost help with?

G13 may help with anxiety, arthritis, depression, glaucoma, headaches, insomnia, migraines, ptsd, stress. Jack Frost may help with bipolar disorder, chronic pain, depression, fatigue, insomnia, loss of appetite, migraines, nausea, ptsd, stress, anxiety. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

G13

Indica — THC 24%

Jack Frost

Hybrid — THC 25%

Potency, effects, terpenes, flavors, growing difficulty, and medical uses — compared side by side.

Home/Strain Comparisons/G13 vs Jack Frost

Quick Verdict

Who wins in each category?

⚡

Potency

Jack Frost

🏥

Medical

Jack Frost

🌱

Growing

Tie

🍋

Flavor

G13

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

G13

Jack Frost

Effect Matchup

Side-by-side effect intensity — bars show relative prominence

G13

Effect

Jack Frost

100%

Euphoric

100%

60%

Uplifting

88%

Happy

53%

77%

Relaxing

46%

68%

Sleepy

Aroused

77%

Creative

68%

Focus

60%

4 shared effects highlighted

G13 — Potency

THC0%

CBD0%

Potency LevelStrong

Jack Frost — Potency

THC0%

CBD0%

Potency LevelStrong

Afghani Indica SelectionG13

Indica 70%Sativa 30%

Jack Herer x White Widow x Northern LightsJack Frost

Indica 50%Sativa 50%

Side-by-Side Specs

Green highlight indicates the superior value

G13

Profile Comparison

Shared (4)

EuphoricHappyRelaxingUplifting

Only G13 (1)

Sleepy

Only Jack Frost (3)

ArousedCreativeFocus

Possible Side Effects

Shared

Dry mouthDry eyes

Only G13

Dizzy

Only Jack Frost

Paranoid

Growing Guide Comparison

G13

DifficultyModerate

Flowering10-11 weeks

HarvestEnd of October

Indoor YieldLarge

Outdoor YieldLarge

Indoor HeightMedium

Outdoor HeightMedium

Plant StructureCompact

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate, Dry

Jack Frost

DifficultyModerate

Flowering9 weeks

HarvestMid October

Indoor YieldMedium

Outdoor YieldMedium

Indoor HeightTall

Outdoor HeightMedium

Plant StructureMedium

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate

About These Strains

G13

Indica 70/30 — THC 22–24%

G13, also known as “ G-13” or “Government Indica Strain 1,” is an indica dominant hybrid (70% indica/30% sativa) strain with unknown parentage. This bud is rumored to have been created by the US Government during the 60's and 70's when they were experimenting with growing native Afghani weed strains for “medical” purposes.

Despite its confusing origins, G13 is definitely one bud that you should try at least once in your life, especially given its powerful effects and insanely potent 24% average THC level.

Jack Frost

Hybrid 50/50 — THC 21–25%

White Widow is mated with Northern Lights #5 to produce strong cannabis 'Jack Frost' that has an extremely euphoric and uplifting effect on your system. Its high also has other significant effects on your system, including creative, happy and energetic.

It has a fluffy green coloured appearance.

Which One Is Right for You?

G13 and Jack Frost are both excellent strains with distinct characteristics. G13 is a Indica with 22–24% THC, while Jack Frost is a Hybrid with 21–25% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose G13

Choose G13 if you want deeper body relaxation. G13, also known as “ G-13” or “Government Indica Strain 1,” is an indica dominant hybrid (70% indica/30% sativa) strain with unknown parentage.

Choose Jack Frost

Choose Jack Frost if you want more cerebral/uplifting effects. White Widow is mated with Northern Lights #5 to produce strong cannabis 'Jack Frost' that has an extremely euphoric and uplifting effect on your system.

Frequently Asked Questions

Common questions about G13 vs Jack Frost

Medical Disclaimer

The information on this page is for educational purposes only and is not intended as medical advice. Cannabis affects everyone differently. Consult a qualified healthcare professional before using cannabis for any medical condition. Effects, potency, and medical benefits may vary. Do not use cannabis if pregnant, nursing, or under the legal age in your jurisdiction.

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