What is the main difference between Birthday Cake and G13?

Birthday Cake is a Hybrid strain (60% Indica / 40% Sativa) with THC levels of 21–27%, while G13 is a Indica strain (70% Indica / 30% Sativa) with THC levels of 22–24%.

Which strain has higher THC — Birthday Cake or G13?

Birthday Cake has higher THC at 21–27%, compared to G13 at 22–24%.

Is Birthday Cake or G13 easier to grow?

Birthday Cake has easy growing difficulty with a 8-9-week flowering period, while G13 has moderate difficulty with a 10-11-week flowering period. Birthday Cake is a great choice for beginners.

What effects does Birthday Cake have compared to G13?

Birthday Cake produces euphoric, relaxing, happy, sleepy effects, ideal for anytime use. G13 produces euphoric, happy, relaxing, sleepy, uplifting effects, best for evening use.

What terpenes are in Birthday Cake and G13?

Birthday Cake features Myrcene, Limonene, Caryophyllene, giving it creamy, vanilla, butter flavors. G13 features Myrcene, Limonene, Caryophyllene, with pine, sweet, wood flavors.

Which medical conditions can Birthday Cake and G13 help with?

Birthday Cake may help with insomnia, stress, depression. G13 may help with anxiety, arthritis, depression, glaucoma, headaches, insomnia, migraines, ptsd, stress. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Birthday Cake

Hybrid — THC 27%

G13

Indica — THC 24%

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

Home/Strain Comparisons/Birthday Cake vs G13

Quick Verdict

Who wins in each category?

⚡

Potency

Birthday Cake

🏥

Medical

G13

🌱

Growing

Birthday Cake

🍋

Flavor

G13

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Birthday Cake

G13

Effect Matchup

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

Birthday Cake

Effect

G13

100%

Euphoric

100%

88%

Relaxing

77%

Happy

88%

68%

Sleepy

68%

Uplifting

60%

4 shared effects highlighted

Birthday Cake — Potency

THC0%

CBD0%

Potency LevelStrong

G13 — Potency

THC0%

CBD0%

Potency LevelStrong

Girl Scout Cookies x Cherry PieBirthday Cake

Indica 60%Sativa 40%

Afghani Indica SelectionG13

Indica 70%Sativa 30%

Side-by-Side Specs

Green highlight indicates the superior value

Birthday Cake

Profile Comparison

Shared (4)

EuphoricRelaxingHappySleepy

Only G13 (1)

Uplifting

Possible Side Effects

Shared

Dry mouthDry eyesDizzy

Growing Guide Comparison

Birthday Cake

DifficultyEasy

Flowering8-9 weeks

HarvestEarly October

Indoor Yield450g/m² (1.5oz/ft²)

Outdoor Yield500g/plant (17.6oz/plant)

Indoor Height100cm (39in)

Outdoor HeightTall

Plant StructureCompact

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateWarm, Temperate, Dry

G13

DifficultyModerate

Flowering10-11 weeks

HarvestEnd of October

Indoor YieldLarge

Outdoor YieldLarge

Indoor HeightMedium

Outdoor HeightMedium

Plant StructureCompact

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate, Dry

About These Strains

Birthday Cake

Hybrid 60/40 — THC 21–27%

Birthday Cake is a hybrid cannabis strain (60% Indica / 40% Sativa) with THC levels of 21-27%. Known for its euphoric, relaxing, happy effects.

Dominant terpenes include Myrcene, Limonene, Caryophyllene.

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.

Which One Is Right for You?

Birthday Cake and G13 are both excellent strains with distinct characteristics. Birthday Cake is a Hybrid with 21–27% THC, while G13 is a Indica with 22–24% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Birthday Cake

Choose Birthday Cake if you want easier growing, more cerebral/uplifting effects. Birthday Cake is a hybrid cannabis strain (60% Indica / 40% Sativa) with THC levels of 21-27%.

Choose G13

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

Frequently Asked Questions

Common questions about Birthday Cake vs G13

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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