Kush 4 x Girl Scout cookies brings Chem 4 together with Girl Scout Cookies. The first is one of the founding phenotypes out of the 1991 Chem seed lot; the second, the specific Cookies clone that the dessert wave was built on, not the family generally. Two lines that were never going to produce a quiet plant. What CSI sell is access to their clone collection in seed form. The parents are the cuts themselves, not a line bred to resemble them.
Kush carries a 4 because selections get numbered to stay distinguishable once they leave the room they were made in. It marks this exact mother, and it is the part of the name worth reading closely.
Chem 4 sits on the seed side here, Girl Scout Cookies on the pollen side. If you have seen these two names paired the other way round, that is a different pack and not this one.
Genetic Lineage
- Mother: Chem 4. One of the founding phenotypes out of the 1991 Chem seed lot. Its own cross is one of thirteen seeds from the 1991 Grateful Dead bag.
- Father: Girl Scout Cookies. The Forum cut, the plant most of the modern dessert category is built on. Parentage: generally given as OG Kush crossed to a Durban line; the Forum cut was an S1 found in bagseed and circulated through the ICMag forums around 2010. CSI publish a caution that their Cookies hybrids can express instability under some conditions while still producing plenty of good plants.
- What the cross is reaching for. One side brings the structure and the other brings the nose. The plants worth keeping out of a pack are the ones that hold both rather than picking a side.
Flavor and Aroma Profile
Neither parent is subtle, and the cross has nowhere quiet to go.
- The Aroma. The Chem fuel and sour earth, with its own sharper edge from the Chem 4 side, against sweet cookie dough and vanilla cream with a faint mint over an earthy Kush base from the Girl Scout Cookies side.
- The Taste. Fuel and earth on the inhale, turning sour up front, turning to doughy and sweet with vanilla late, finishing earthier through the exhale.
The two halves, side by side
- They are not on the same clock. Chem 4 runs seven to eight weeks, and up to ten by phenotype; Girl Scout Cookies runs nine to ten weeks. Across a pack that gap shows up as plants finishing days or weeks apart.
- Where the nose comes from. One side gives diesel fuel and chemical funk over sharp earth; the other gives sweet cookie dough and vanilla cream with a faint mint, over an earthy Kush base. Plants landing in the middle are the keepers.
- Build. On the Chem 4 side: stretches once flipped; medium height with strong lateral branching and tight internodes when crossed out. On the Girl Scout Cookies side: tight, heavy, dense flower rather than an open frame. Select early rather than trying to train your way out of it.
- Opposite ends. Chem 4 is reported as alert and head-forward; Girl Scout Cookies as even rather than racy; settling. The cross sits somewhere between and moves plant to plant.
Cultivation and Growth Traits
- Plant Structure. The two parents disagree here, so plan for range. Chem 4 is Chem-family build - open and stretchy rather than compact. Girl Scout Cookies is tight, heavy, dense flower rather than an open frame.
- Veg and stretch. Set the frame while it is cheap to do. Anything you fix after the flip costs you flower sites.
- Flowering Time. The parents are not on the same clock. Chem 4 runs seven to eight weeks, and up to ten by phenotype, Girl Scout Cookies nine to ten weeks. Judge each plant on trichomes rather than pulling the room together.
Effects and Experience
- The Mind. Growers describe Chem 4 as alert and head-forward.
- The Body. Girl Scout Cookies is reported as even rather than racy; settling, and that is the side supplying the weight here.
In the pack
Feminized seeds from Humboldt CSI. Nearly everything CSI put out is built from cuts they hold themselves rather than from other people's seed lines, which is why their catalogue reads like a list of clones instead of a list of brands. Humboldt CSI original genetics.
Kush 4 x Girl Scout cookies – Humboldt CSI
- Brands CSI Humboldt
- Product Code: 010108
- Availability: 3
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$100.00
Tags: cannabis seeds, feminized seeds, Humboldt CSI, CSI Humboldt, Chem 4, Girl Scout Cookies, strain guide

