Feminized seeds

Chem DxGirl Scout Cookies

THC: 25-30%
Bloom: 9-10 wks
Yield/sq ft: 1.3-1.6 oz
Level: Moderate

GMO Feminized Seeds

From $65.00

Garlic, diesel and deep, savory funk. A heavy indica-dominant Chem D x Girl Scout Cookies cross that takes 9-10 weeks to finish and rewards the wait.

THC25-30%
Bloom9-10 weeks
Height4-5 ft indoors
LevelModerate

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SKU: BMS-GMO-FEM Categories: Feminized Seeds, High THC Seeds, Hybrid Seeds, Indica Seeds, Indoor Seeds

Quick answerGMO is an indica-dominant hybrid, about 90% indica, bred from Chem D and Girl Scout Cookies. It is known for a pungent garlic-and-diesel aroma, supplier-reported THC of 25-30%, tall chem-style growth with spear-shaped colas, and a 9-10 week indoor flowering time.

GMO at a glance

THC25-30%Supplier reported. Builds slowly, so be patient.

Flowering9-10 wksA longer bloom from the 12/12 switch

Indoor yield1.3-1.6 ozPer sq ft with strong light

Height4-5 ftIndoors. 6-8 ft outdoors

Outdoor harvestEarly-mid OctMost US latitudes

Known forSavory garlic-and-diesel funkA nose that has nothing in common with fruity dessert strains

What is the GMO strain?

GMO is one of the few modern hybrids famous for smelling savory instead of sweet. The name is usually explained as shorthand for garlic, mushroom and onion, and you will also see the same cross sold as Garlic Cookies. Where most current favorites chase candy and fruit, this one went the other way and won over people who like their cannabis loud and funky.

Its parents are two cornerstones of American cannabis. Chem D, a classic chem cut, brings raw diesel pungency, high potency and vigorous growth. Girl Scout Cookies, the San Francisco Bay Area hybrid, adds dense resin and a deep, euphoric warmth. On paper the genetics run about 90% indica, yet the plant grows like a chem: tall and lanky, with long internodes and pointed, spear-shaped buds instead of round nuggets.

Grown from seed, the plants tend to converge on that signature garlic-diesel funk, so the smell you are after is the smell you get. These feminized seeds are bred to produce female plants, so each seed you germinate is set up for flower.

Chem DGirl Scout Cookies

Chem D x Girl Scout CookiesFeminized line

GMO

How it feels

Consumers commonly describe a slow build: a warm, happy headspace first, then deep body relaxation, a big appetite and, at larger doses, sleep. Most people keep it for the evening.

First 15-20 minutesWarm, gradual lift
A slow-rising euphoria that sneaks up rather than hitting all at once.
Within the hourHeavy body calm
The indica side takes over with a weighty, sink-into-the-couch feel.
Two hours and beyondSnacks, then sleep
Many people report strong hunger followed by heavy eyelids.

Commonly reportedRelaxedEuphoricHungrySleepy

Reported THC of 25-30% with a slow onset: wait at least an hour before taking more. Commonly reported downsides include dry mouth, dry eyes and next-morning grogginess, and some people report anxiety at high doses. General reports, not medical guidance.

Aroma, flavor and terpenes

Garlic and savory funk hit first, followed by sharp diesel and a damp, earthy base. It is one of the smelliest plants you can grow, so a good carbon filter and a sealed tent are essential from mid flower on.

Flavor notesGarlicDieselFunkEarthy

CaryophyllenePepper, spice

Adds the savory, peppery bite behind the garlic.

MyrceneEarth, musk

Builds the damp, earthy base.

LimoneneCitrus, sharp

A faint bright edge that lifts the diesel.

Cure in sealed jars for three to four weeks; the garlic funk gets deeper and smoother with time.

How to grow GMO

Rated moderate. The challenges are its chem-style stretch, which eats vertical space, and a 9-10 week bloom that keeps dense colas in the tent longer.

Indoors

Veg climate: 74-80°F, 55-65% RH
Flower climate: 68-79°F, 45-50% RH early
Late flower: RH 40-45% for the long finish
Light: 800-1,000 PPFD in flower (LED)
Training: Top early, supercrop the stretch
Headroom: Short veg; flip before it gets tall

Outdoors

Plant out: Early, once nights stay over 50°F
Size: 6-8 ft with full sun
Harvest: Early to mid October
Best fit: Long, dry autumns (USDA 7-10)
Watch for: Frost or rain during the long bloom
Protect: Stake tall branches; rain cover

Read the full indoor grow guide

GMO needs more vertical room than its indica rating suggests. Indoors it usually finishes at 4 to 5 feet, and much of that comes from a strong stretch in early bloom, so keep veg short and flip sooner than you would for a squat, bushy plant. A tall tent makes life much easier.

Environment

Vegetative: 74-80°F with 55-65% relative humidity.
Flower: 68-79°F, starting near 45-50% RH and stepping down to 40-45% for the last three weeks to protect the long, dense colas from bud rot.
Odor control: a properly sized carbon filter on the exhaust is not optional with this strain.

Training

Top early to split the main stem, then use supercropping or gentle LST to bend tall branches back under the light during the stretch. The open spacing between nodes helps airflow, so heavy defoliation is rarely needed; just clear the lower growth that will never see good light.

Light and feeding

Run about 800-1,000 PPFD in bloom under LED. Chem-leaning plants are hungry in veg and early flower, so feed steadily, then taper nitrogen as the spears fill out.

Harvest timing

Count on 9 to 10 weeks after the flip, and resist pulling early. The final week is when the buds fatten and the funk intensifies. Check trichomes: mostly cloudy with 10-20% amber matches the heavy, sleepy reputation.

Seed to jar in about 22 weeks

A sample indoor schedule. Veg is kept short to manage height, and the bloom runs longer than most hybrids.

Germinate1 wkSeedling2 wkVegetate4 wkFlower10 wkDry and cure5 wk

Week 1Week 22

Germinate weeks 1-1
Paper towel or plug, 75-80°F
Seedling weeks 2-3
Mild light, 65-70% RH
Vegetate weeks 4-7
Keep it short; top early
Flower weeks 8-17
9-10 weeks, big early stretch
Dry and cure weeks 18-22
60°F, 60% RH, then jars

Growing GMO outdoors in the US

Outdoors, GMO turns into a tall plant of 6 to 8 feet and can yield roughly 18 to 21 ounces in full sun, with harvest in early to mid October at most US latitudes. Because the bloom is long, get plants in the ground as early as your frost dates allow so they build size before flowering starts in late summer.

The long finish is the main risk. A wet or frosty October can catch the colas before they are done, so this strain belongs in places with long, dry autumns. Stake or cage the tall branches before they load up, and keep a rain cover handy. The smell also carries a long way outdoors, which is worth weighing if you have close neighbors. See our when to plant outdoors guide for zone-by-zone dates.

State laws on growing at home vary widely, from adult-use allowances to outright bans, and plant limits differ too. Look up your state on our marijuana laws by state page first.

Will it finish where you live?

ExcellentInland California and the Southwest

Long, dry autumns give the 9-10 week bloom time to finish clean.

FairColorado Front Range and Utah valleys

Dry air helps, but the long bloom risks an early October frost at elevation.

FairMidwest

Plant early; cold, wet weeks in October can arrive before the colas finish.

PoorNortheast

Short, damp autumns rarely suit a bloom this long. Grow it indoors.

FairSoutheast and Gulf Coast

The season is long enough, but humidity and storms threaten the dense spears.

Confirm your state's home-grow rules before you plant. Laws by state

Who GMO is for

Fans of savory strainsAnyone tired of candy and fruit who wants garlic, diesel and funk instead.
Evening consumersPeople who know their tolerance and want a slow, heavy end-of-day strain.
Growers with headroomTents and rooms with height to spare for its chem-style stretch.
Patient growersAnyone willing to give it the full 9-10 weeks for denser, smellier buds.

Keep exploring

Indica seedsHeavy, relaxing evening genetics High THC seedsMore potent feminized strains Harvest, dry and cureFinish strong after a long bloom What is supercropping?Bend tall branches without breaking them Harvest date calculatorPlan around a 9-10 week bloom

GMO strain data sheet

Genetics

Seed type: Feminized
Genetics: Indica-dominant hybrid (about 90% indica)
Lineage: Chem D x Girl Scout Cookies

Potency & profile

THC: 25-30% (supplier reported)
CBD: 0.1-1%
Commonly reported effects: Euphoric, Hungry, Relaxed, Sleepy
Flavors: Diesel, Earthy, Funk, Garlic
Dominant terpenes: Caryophyllene, Limonene, Myrcene

Growing

Flowering time: 9-10 weeks
Height: 4-5 ft indoors, 6-8 ft outdoors
Difficulty: Moderate
Climate: Warm, 68-79°F, 40-45% RH in late flower
Best USDA zones: 7-10 (long seasons, dry autumns)
Outdoor harvest: Early to mid October

Yield

Indoor yield: 1.3-1.6 oz per sq ft
Outdoor yield: 18-21 oz per plant

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

GMO FAQ

Is GMO indica or sativa?

GMO is an indica-dominant hybrid, usually listed at about 90% indica. Its effects lean heavy and relaxing, although the plant grows tall and stretchy like its chem parent.

How strong is GMO?

Our supplier reports THC of 25-30%, so it sits firmly in the high-THC range. The onset is often slow, so wait before taking more, and keep in mind that real-world numbers vary with phenotype and growing conditions.

How long does GMO take to flower?

Plan for 9 to 10 weeks of flowering after the switch to 12/12 indoors, which is longer than many hybrids. Outdoors in the US, harvest typically falls in early to mid October.

How much does GMO yield?

Indoors, expect roughly 1.3 to 1.6 ounces per square foot with strong light and good training. Outdoor plants in full sun can produce around 18 to 21 ounces each.

Is GMO hard to grow?

It is rated moderate. The plant is vigorous, but it needs vertical space, early training to control the stretch, and patience through a long bloom with humidity kept near 40-45% at the end.

What does GMO smell and taste like?

It is savory rather than sweet: garlic, diesel and a pungent, earthy funk. Caryophyllene, myrcene and limonene are the terpenes most commonly reported.

Where does GMO grow best in the US?

Inland California and the Southwest are the strongest outdoor fit, because long, dry autumns let the 9-10 week bloom finish. In the Northeast and other short-season areas, growing indoors is the safer choice.

What does GMO stand for?

The name is commonly said to stand for garlic, mushroom and onion, a nod to its savory aroma. The same cross is also sold under the name Garlic Cookies.

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