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Grease Monkey Strain Feminized Marijuana Seeds
Grease Monkey Viability tested in Vancouver
Genetics
Gorilla Glue #4 x Cookies and Cream
THC
20%–27%
CBD
Under 1%
Flowering
8–9 weeks
Yield
450–550 g/m²
Height
90–140 cm
FeminizedIndica dominant hybrid

Grease Monkey Strain Feminized Marijuana Seeds

Grease Monkey strain pairs the resin of Gorilla Glue #4 with the sweetness of Cookies and Cream, testing 20% to 27% THC with a vanilla, nutty and diesel nose that smells like a garage full of cookies.

Pack size

Buy 1 get 1 free: add a second 10-seed pack of any strain and it rings up at $0.

In stock. Ships inside Canada the same day full payment is received, typically delivered in 3 to 7 business days.

Germination guaranteeAt least 80% of your seeds sprout with our paper towel method, or we replace them. How it works
  • Free shipping over $200
  • Plain, unbranded packaging
  • $30 tracked and insured option

Questions before you order? Call 1-800-805-7835 or , 7 days a week.

Pay by Interac e-Transfer, Visa, Mastercard, Bitcoin or cash.

In short

Grease Monkey is a 70/30 indica dominant hybrid that flowers in 8 to 9 weeks, tests 20% to 27% THC, and yields 450 to 550 g/m² of sticky, silver-coated buds with a sweet vanilla, nut and diesel flavour driven by caryophyllene.

THC20%–27%CBD Under 1%
Flowering8–9 weeksAfter the switch to 12/12
Indoor yield450–550 g/m²Trained plants, good LED
Height90–140 cmOutdoors up to 200 cm
HarvestLate SeptemberOutdoors in Canada
Grow difficulty EasyModerateDifficult Easy to moderate. Best for yield, resin, a relaxed evening, first high-THC grow.

Where Grease Monkey comes from

The Grease Monkey strain is a cross of Gorilla Glue #4 and Cookies and Cream. GG4, the famously sticky Chem and Sour Dubb descendant, brings the thick resin, the fuel note and the heavy body effect. Cookies and Cream, a Starfighter and Girl Scout Cookies cross, adds the vanilla and nutty sweetness, the dense structure and a creamier smoke. It came out of the American West in the mid 2010s and has been a steady favourite with hash makers ever since.

The name is a nod to both parents: the grease is the diesel and resin from GG4, and the monkey is a playful reference to the Gorilla in the lineage. On a well grown plant the resin is so heavy that scissors gum up within minutes of starting the trim, which is about as literal as a strain name gets.

Grease Monkey strain effects and experience

Grease Monkey opens with a short, pleasant lift, a warm feeling of contentment and a quieter mind, and then moves into a solid, heavy body relaxation within the first half hour. It is not a racy or talkative strain. Most people describe it as calm, happy and increasingly unwilling to get up, with a strong appetite showing up somewhere in the second hour.

At 20% to 27% THC it is strong but not extreme, and it tends to be predictable from plant to plant, which makes it a good evening option for people who already know how they respond to high-THC flower.

Grease Monkey flavour, aroma and appearance

Caryophyllene leads, giving a pepper and spice base that ties the two parents together, with limonene adding a light citrus lift and myrcene a musky, earthy depth. The smell is sweet vanilla cookie and roasted nuts on top, with a sharp diesel and pine underneath that grows louder when you break a bud. The smoke is smooth and creamy, and the exhale leaves a mix of vanilla and fuel.

The buds are dense and chunky, olive to forest green with orange pistils, and they are coated so heavily that they look silver under light. Colder nights can pull a little purple into the sugar leaves, but this is mainly a green, frosty strain.

Growing Grease Monkey in Canada

Indoors

Grease Monkey is one of the more forgiving strains in this potency range. A four week veg gives a plant of 90 to 140 cm after a moderate stretch, with strong branches and a canopy that fills out quickly. It takes a medium to heavy feed well and holds up to a few mistakes with pH or watering. Run 22 to 27 degrees in the day and keep humidity near 50% through mid flower, dropping to about 45% for the last three weeks. The smell is strong from week five, so a carbon filter is not optional.

Outdoors, by region

With an 8 to 9 week flower and a harvest in the second half of September, Grease Monkey works across most of Canada. In coastal BC, the Okanagan, southern Ontario and southern Quebec, transplant after the May long weekend and expect to cut in the last two weeks of September. In the Maritimes, give it a sunny, sheltered spot and watch the forecast for early storms. Prairie growers should start indoors in early April, move the plant out once nights stay above 10 degrees in late May, and usually harvest in late September ahead of the frost. Plants can reach 2 metres in the ground, so check your local plant-height and fencing bylaws.

Height and training

Top at the fourth or fifth node and spread the plant into a wide, open shape with low stress ties. Grease Monkey has plenty of side branching, so a screen of green works well indoors, and six to ten main colas is a realistic target. Remove the lowest growth before the flip; the energy is better spent on the top of the canopy.

Flowering and harvest cues

Most plants are ready between days 56 and 63. Start watching the trichomes around day 52 and harvest when most heads are cloudy with 10% to 20% amber, which gives the full, heavy effect this strain is known for. Dry for 10 to 14 days at 60% humidity and around 18 degrees; the vanilla note is at its best after three weeks of cure.

Grease Monkey yield indoors and outdoors

Grease Monkey is one of the better producers among modern dessert crosses. Expect 450 to 550 g/m² indoors from a trained canopy, and 500 to 650 g per plant outdoors in a good season with a large container or open ground. The resin makes it an efficient strain for rosin and hash, so it gives more than the flower weight suggests.

Who Grease Monkey is for, and who should pick something else

Grow Grease Monkey seeds if you want a reliable, high-yielding indica for evening use, a plant that handles a few mistakes, or a heavy resin producer for extracts. It is a good first high-THC strain for someone who has already finished one easy grow.

Pick something else if you want an energetic daytime high or a light, fruity flavour, or if smell control is a real problem where you live. If you want the classic sticky parent on its own, Gorilla Glue is available as feminized seed.

How Grease Monkey compares

Oreoz is the closest relative in the catalogue, another Cookies and Cream cross with a darker chocolate and fuel profile. Girl Scout Cookies sits behind Cookies and Cream and explains the sweet dough, while Bubba Kush is the old-school choice for a similar heavy evening with less resin and a coffee-hash flavour. Grease Monkey sits among our indica dominant feminized seeds, and our guide to how much cannabis yields per plant explains how to push a heavy producer like this one. Grease Monkey is also a parent of Donkey Butter, which adds Triple OG for more diesel, more pine and a much sleepier finish.

Why Grease Monkey belongs in a first high-THC grow from MJ Seeds Canada

The first step up from an easy classic to a modern high-THC strain goes best with a plant that forgives mistakes, and Grease Monkey is one. We make the rest simple: the seeds are sent from our Vancouver, BC seed bank in plain, unbranded packaging and reach you anywhere in Canada in 3 to 7 business days. Shipping is free over $200, and $30 buys tracked and insured delivery with one free reshipment.

Every Grease Monkey batch has been viability tested in Vancouver, where we have operated since 2009. Our germination guide walks through the cup of water and paper towel method, and following it keeps your pack under our 80% germination guarantee. Buy 5, 10 or 25 seeds; the 10 and 25 packs are buy one get one free with any strain in the same size, and orders over $420 get 10 free seeds added.

Payment options are Interac e-Transfer, credit card, Bitcoin and cash. If it is your first time running a strain this resinous, our support team is a phone call, email, WhatsApp message or live chat away, seven days a week.

Grease Monkey specifications

Seed type
Feminized
Plant type
Indica dominant hybrid (70/30)
Lineage
Gorilla Glue #4 x Cookies and Cream
THC
20%–27%
CBD
Under 1%
Flowering time
8–9 weeks (56 to 63 days)
Height
90–140 cm / up to 200 cm
Indoor yield
450–550 g/m²
Outdoor yield
500–650 g per plant
Outdoor harvest
Late September
Difficulty
Easy to moderate
Climate
Warm, moderately dry; handles a cool September
Best for
Yield, resin, a relaxed evening, first high-THC grow

Typical ranges for this strain. Results vary with phenotype, setup and climate.

Questions about Grease Monkey

01Is Grease Monkey indica or sativa?

Grease Monkey is an indica dominant hybrid, about 70% indica and 30% sativa, from Gorilla Glue #4 crossed with Cookies and Cream. It starts with a short, calm lift and moves into a heavy body relaxation, which makes it an evening strain.

02How strong is Grease Monkey?

Grease Monkey usually tests between 20% and 27% THC, with CBD under 1%. It is strong but fairly predictable from plant to plant. The body effect builds over the first half hour, so give it time before having more.

03What does Grease Monkey taste like?

Grease Monkey tastes like sweet vanilla cookies and roasted nuts with a sharp diesel and pine finish. Caryophyllene is the leading terpene, followed by limonene and myrcene. The smoke is creamy, and the vanilla is strongest after about three weeks of cure.

04Is Grease Monkey easy to grow?

Grease Monkey is one of the easier high-THC strains to grow. It is vigorous, branches well, handles a medium to heavy feed and forgives small mistakes with pH and watering. The main challenges are its strong smell and the resin, which makes trimming slow.

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Buy 1 get 1 free: add a second 10-seed pack of any strain

Grease MonkeyFeminized · THC 20%–27% seeds Cart