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Home›Strains›Hybrid›Cosmic Cookies
Cosmic Cookies strain photo 1iPhoto: AllBud
Hybrid

Cosmic Cookies

Cosmic Cookies is a hybrid of Girl Scout Cookies and Chem Sis, known for a dank diesel and nutty smell and an upbeat, creative feel.

Typical THC
25–29%
Typical CBD
<1%
Top terpene
Myrcene
Read the Cosmic Cookies guide

Cosmic Cookies terpenes

Most often reported first

  1. Myrceneearthy, musky
  2. Pinenepine, fresh
  3. Caryophyllenepepper, spice

How people describe it

EnergeticCreativeEuphoricHappyRelaxed

Smell and taste

DieselChemicalNuttyEarthy

Family tree

Girl Scout Cookies×Chem SiscrossCosmic Cookies

Cosmic Cookies strain guide

2 min read · Updated October 14, 2026 · WeedDB editors

Cosmic Cookies is a hybrid of Girl Scout Cookies and Chem Sis. People know it for a dank, diesel-heavy smell with nutty and vanilla notes, and for an upbeat, creative start that can turn more relaxed later.

Where does Cosmic Cookies come from?What does Cosmic Cookies smell and taste like?Cosmic Cookies effects: what people reportHow strong is Cosmic Cookies?Buying Cosmic Cookies in CanadaCosmic Cookies vs Girl Scout CookiesStrains like Cosmic Cookies

Where does Cosmic Cookies come from?

Two strain databases agree on the cross: Girl Scout Cookies with Chem Sis, short for Chem's Sister, a cut from the Chemdawg family. One strain database calls it a rare cross and describes it as leaning slightly indica.

No breeder is clearly named, and there isn't much written about where or when it first appeared.

What does Cosmic Cookies smell and taste like?

Expect something loud: diesel, chemical and skunky first, with nutty, vanilla and earthy notes behind it. Some reviewers also pick up a little berry, lemon or mint.

Published terpene results list myrcene first, followed by pinene and caryophyllene. Myrcene adds an earthy depth, pinene a sharp freshness and caryophyllene a peppery bite.

Cosmic Cookies effects: what people report

People often describe Cosmic Cookies as energetic, creative and euphoric at first, sometimes chatty, with a relaxed body feel that follows. Not everyone agrees: some found it mostly upbeat and social, while others said it took a while to settle.

These are reports, not promises. How it feels depends on the product, the amount and your tolerance. Dry mouth and dry eyes are the common complaints, and some people mention feeling dizzy, spacey or forgetful.

How strong is Cosmic Cookies?

It's a high-THC strain. Listings put it around 25% to 29% THC, with very little CBD and sometimes a trace of CBG.

If you're new to strong flower, start small and give it time. The THC and CBD numbers on your label are what count for your batch.

Buying Cosmic Cookies in Canada

Cosmic Cookies is not one of the more common names, so check the label to make sure it isn't a different cookie cross. Look at the THC and CBD numbers and the packaging date, since fresher flower keeps more of that diesel punch.

You're most likely to see it as dried flower or pre-rolls.

Cosmic Cookies vs Girl Scout Cookies

Girl Scout Cookies is one of Cosmic Cookies' parents and the far better-known strain. GSC leans sweet and earthy, with a dessert-like smell, while Cosmic Cookies trades much of that sweetness for diesel and chemical notes from its Chem Sis side. Both are listed as high in THC, though Cosmic Cookies often lands a little higher. If you want the classic sweet cookie profile, pick GSC. If you like a gassier, funkier take, try Cosmic Cookies.

Strains like Cosmic Cookies

If you like Cosmic Cookies, these are close matches:

  • Girl Scout Cookies: a parent, sweeter and earthier.
  • Cookies and Chem: another cross of cookie and chem genetics, with a similar gassy edge.
  • Chemdawg: the family behind Chem Sis, sharp and diesel-heavy.
  • Chem 91: a close Chemdawg relative with the same pungent, fuel-like smell.

Strains similar to Cosmic Cookies

Girl Scout Cookies strainGirl Scout CookiesTHC 18–28%Cookies and Chem strainCookies and ChemTHC 24–30%Chemdawg strainChemdawgTHC 18–25%Chem 91 strainChem 91THC 19–27%

More hybrid strains

Cotton Candy strainCotton CandyTHC 6–19%Cranberry Kush strainCranberry KushTHC 15–19%Cranberry Zkittlez strainCranberry ZkittlezTHC 22–30%Crazy Glue strainCrazy GlueTHC 15–23%

Guides to read next

Cookies strains: Girl Scout Cookies and its familyCookies strains are the cannabis family built around Girl Scout Cookies, widely reported as a cross of OG Kush and Durban Poison from the San Francisco Bay Area. Cuts like Thin Mints and Forum Cut, and descendants like Gelato, Sunset Sherbet and Wedding Cake, make up the family.Growing weed in Canada: the 4-plant rule by provinceThe federal Cannabis Act lets adults grow up to four cannabis plants per residence for personal use, but each province sets its own extra rules. Quebec bans home growing outright, and Manitoba only allowed it, indoors, from May 1, 2025. Seeds and plants must come from a legal source.How to decarb weed (and why THCA needs heat)Decarbing (decarboxylation) is gently heating cannabis so the THCA it contains turns into THC. Lab studies show the change starts around 90 °C and speeds up sharply as temperature rises, but too much heat or time then starts to destroy THC, so it's a balance. Raw weed isn't intoxicating because it's mostly THCA.

Cosmic Cookies questions

Is Cosmic Cookies indica or sativa?

Cosmic Cookies is an indica-leaning hybrid. It is a cross of Girl Scout Cookies and Chem Sis.

How strong is Cosmic Cookies?

Published lab results usually range from 25% to 29% THC, and the label on any legal Canadian product shows its exact batch.

What does Cosmic Cookies smell like?

Diesel, chemical, nutty and earthy, led by myrcene (earthy, musky).