Birthday Cake feminized cannabis plant in flower

Feminized seeds

Girl Scout CookiesxCherry Pie

THC: 20-24%
Bloom: 9-10 wks
Yield/sq ft: 1.5-1.6 oz
Level: Moderate

Birthday Cake Feminized Seeds

From $65.00

Vanilla frosting, sweet dough and a hint of cherry. A dessert hybrid from Girl Scout Cookies and Cherry Pie that finishes in 9-10 weeks.

THC20-24%
Bloom9-10 weeks
Height3-5 ft indoors
LevelModerate

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SKU: BMS-BC-FEM Categories: Feminized Seeds, Hybrid Seeds, Outdoor Seeds, Sativa Seeds

Quick answerBirthday Cake is a hybrid bred from Girl Scout Cookies and Cherry Pie, listed by our supplier as sativa-dominant. It is loved for a sweet vanilla-frosting aroma with a cherry hint, reported THC of 20-24%, and a 9-10 week indoor bloom, with outdoor harvests in late September to early October.

Birthday Cake at a glance

THC20-24%Supplier reported. Strong, but smoother than the top-shelf heavyweights.

Flowering9-10 wksCounted from the switch to 12/12

Indoor yield1.5-1.6 ozPer sq ft in a tuned tent

Height3-5 ftIndoors. 5-7 ft outdoors

Outdoor harvestLate SepInto early October

FamilyA dessert strain from two cookie-era favoritesGirl Scout Cookies structure meets Cherry Pie fruit

What is the Birthday Cake strain?

Birthday Cake comes out of the West Coast dessert-strain wave, when growers were chasing bakery aromas and frosty, photogenic buds. It pairs two well-known hybrids: Girl Scout Cookies and Cherry Pie. You will sometimes see it called Birthday Cake Kush, and it is a close relative of the cake family that followed.

Each parent leaves a clear mark. Girl Scout Cookies brings the potency, the dense, trichome-heavy flowers and that sweet, doughy backbone. Cherry Pie adds a soft fruit layer and a more even-tempered high. Go back a generation and you find OG Kush, Durban Poison and Granddaddy Purple, which explains the mix of sweetness, earthiness and occasional purple tint.

The name fits the jar. Cured flower gives off a vanilla-frosting sweetness with a nutty, buttery edge, like the top of a sheet cake. These feminized seeds are bred to produce female plants, so every seed you germinate is pointed at flower.

Girl Scout CookiesCherry Pie

Girl Scout Cookies x Cherry PieFeminized line

Birthday Cake

How it feels

Consumers commonly describe a gentle, happy rise that builds slowly, then a full-body calm that stops short of knocking them out. Expect roughly two to three hours.

First 15 minutesSoft, happy lift
A light cerebral glow that improves mood without racing thoughts.
30 to 60 minutesEasygoing calm
Shoulders drop and the body loosens while the mind stays clear.
2 to 3 hoursMellow landing
A contented, unhurried finish that suits a slow evening.

Commonly reportedRelaxedEuphoricHappyCalm

Onset can be gradual, so wait before taking more. Commonly reported downsides include dry mouth and dry eyes, and some people report anxiety at high doses. General reports, not medical guidance.

Aroma, flavor and terpenes

Vanilla icing and sweet dough lead, with a faint cherry tartness and an earthy, slightly peppery base. It is a pleasant smell, but still strong in late flower, so filter your exhaust.

Flavor notesVanillaSweetCherryEarthy

CaryophyllenePepper, warm spice

Adds the light spice under the frosting.

LimoneneCitrus, sweet zest

Brightens the sugary top notes and the cherry hint.

MyrceneEarth, ripe fruit

Rounds out the doughy, earthy base.

Vanilla notes are delicate. Dry around 60°F and 60% humidity and cure for at least three weeks, burping jars daily in week one.

How to grow Birthday Cake

Rated moderate. It grows evenly and responds well to training; the main job is keeping humidity in check around its dense, resin-coated flowers.

Indoors

Veg climate: 72-80°F, 55-65% RH
Flower climate: 68-80°F, 40-50% RH
Final weeks: Drop RH toward 40%
Light: 700-950 PPFD in flower (LED)
Training: Top once, LST into an even canopy
Feeding: Moderate; ease off nitrogen in bloom

Outdoors

Plant out: After last frost, nights over 50°F
Size: 5-7 ft with full sun
Harvest: Late September to early October
Best fit: Mediterranean-style summers
Watch for: Powdery mildew in humid spells
Protect: Prune lower growth; good spacing

Read the full indoor grow guide

Birthday Cake usually lands between 3 and 5 feet indoors, a comfortable size for a 4×4 ft tent. It forms a fairly symmetrical bush with medium internodes, so it takes training without much fuss.

Environment

Vegetative: 72-80°F and 55-65% relative humidity.
Flower: 68-80°F with 40-50% RH, sliding toward 40% in the last two weeks to keep the dense, cookie-style buds safe from bud rot.
Air: one fan moving air through the canopy and an exhaust with a carbon filter.

Light and training

Run roughly 700-950 PPFD in flower under LED. Top once in veg, then use low-stress training to pull branches outward into a flat canopy. Lollipopping the lower third before week three of flower sends energy to the top sites, where the frostiest buds form.

Feeding

Moderate feeding works best. Cookie descendants can show tip burn when pushed hard, so taper nitrogen after the stretch and keep runoff readings steady.

Harvest timing

Indoor plants usually finish 9 to 10 weeks after the flip. Check trichomes with a loupe: mostly cloudy keeps the head feel brighter, while a share of amber deepens the body calm. Late-flower color can turn purple in some phenotypes when nights run cool.

Seed to jar in about 22 weeks

A standard indoor timeline. Stretch or shorten veg to fit your space; flowering length comes from the genetics.

Germinate1 wkSeedling2 wkVegetate4 wkFlower10 wkDry and cure5 wk

Week 1Week 22

Germinate weeks 1-1
Moist paper towel, 75-80°F
Seedling weeks 2-3
Soft light, 65-70% RH
Vegetate weeks 4-7
Top once, then LST
Flower weeks 8-17
9-10 weeks from 12/12
Dry and cure weeks 18-22
Slow dry, then jar-cure

Growing Birthday Cake outdoors in the US

Birthday Cake likes the outdoors when the weather is warm and stable. Plants typically reach 5 to 7 feet and ripen from late September into early October, which beats the first fall storms in much of the country. Transplant after your last spring frost, once nights stay above about 50°F.

That earlier finish is its outdoor advantage, but humidity still matters. Dense flowers and heavy resin hold moisture, and muggy late-summer stretches can bring powdery mildew. Remove low, shaded growth, give each plant room to breathe and water early in the day. Our outdoor planting guide covers start dates for each USDA zone, and the harvest and cure guide helps keep that frosting nose intact.

Before you plant, check whether your state allows home cultivation and how many plants it permits. Start with marijuana laws by state.

Will it finish where you live?

ExcellentInland California and the Southwest

Warm, Mediterranean-style summers are exactly what this strain prefers.

GoodColorado Front Range and Utah valleys

A late-September finish usually beats the first hard frost at moderate elevation.

GoodMidwest

The earlier harvest window lands before most cold October rain.

FairNortheast

Finishes in time, but August humidity calls for steady pruning and airflow.

FairSoutheast and Gulf Coast

Heat is no problem; sticky air and mildew pressure need wide spacing.

Look up your state's home-grow limits before planting. Laws by state

Who Birthday Cake is for

Dessert-strain loversAnyone who wants a sweet vanilla and cherry jar from their own harvest.
Balanced-effect seekersConsumers who prefer a calm, happy experience over a knockout.
Shorter-season outdoor growersA late-September to early-October finish suits many northern gardens.
Growers who trainAn even, cooperative frame that responds well to topping and LST.

Keep exploring

Outdoor seedsStrains that thrive under the open sky Hybrid seedsBalanced genetics for every grower How to harvest, dry and cureLock in delicate sweet aromas Strain finderMatch a strain to your space and taste What is lollipopping?Focus energy on the top bud sites

Birthday Cake strain data sheet

Genetics

Seed type: Feminized
Genetics: Sativa-dominant hybrid
Lineage: Girl Scout Cookies x Cherry Pie

Potency & profile

THC: 20-24% (supplier reported)
CBD: 0.1-0.5%
Commonly reported effects: Calm, Euphoric, Happy, Relaxed
Flavors: Cherry, Earthy, Sweet, Vanilla
Dominant terpenes: Caryophyllene, Limonene, Myrcene

Growing

Flowering time: 9-10 weeks
Height: 3-5 ft indoors, 5-7 ft outdoors
Difficulty: Moderate
Climate: Warm and Mediterranean, 68-80°F, 40-50% RH in flower
Best USDA zones: 6-10 (mild or dry autumns)
Outdoor harvest: Late September to early October

Yield

Indoor yield: 1.5-1.6 oz per sq ft
Outdoor yield: 18-21 oz per plant

Ranges are typical for this strain and vary with phenotype, environment and technique.

Birthday Cake FAQ

Is Birthday Cake indica or sativa?

Our supplier lists Birthday Cake as a sativa-dominant hybrid. In practice it behaves like a balanced cross, with a gentle mental lift followed by calm body relaxation.

How strong is Birthday Cake?

Reported THC sits around 20-24%, according to our supplier. Phenotype, growing conditions and harvest timing all move the final number, so treat this as a typical range.

How long does Birthday Cake take to flower?

Indoors, expect 9 to 10 weeks of flowering after you switch to 12/12. Outdoors in the US, it usually ripens between late September and early October.

How much does Birthday Cake yield?

A well-dialed indoor setup can give roughly 1.5 to 1.6 ounces per square foot. Outdoors, healthy plants in full sun can produce around 18 to 21 ounces each.

Is Birthday Cake easy to grow?

It is rated moderate. The plant trains easily and grows evenly, but its dense buds need good airflow and flowering humidity of 40-50% to stay mold-free.

What does Birthday Cake smell and taste like?

Sweet vanilla frosting and buttery dough lead, with a light cherry note and an earthy, peppery finish. Caryophyllene, limonene and myrcene are the terpenes most often reported.

Where does Birthday Cake grow best outdoors in the US?

Warm, Mediterranean-style areas such as inland California and the Southwest suit it best. Its late-September to early-October finish also gives Midwest and Rocky Mountain growers a fair chance before fall weather turns.

What are Birthday Cake's parent strains?

Birthday Cake is widely documented as a cross of Girl Scout Cookies and Cherry Pie. Through those parents it also carries OG Kush, Durban Poison and Granddaddy Purple in its background.

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