Chemdog Feminized Hybrid – Green House Seeds
The Chemdog Feminized by Green House Seeds is a genetic pillar with an aggressive and penetrating character, famous for its solvent-like smell.
This indica-dominant cultivar develops an extremely compact flower structure and requires intense nutritional management to maximize the real weight of the harvest.
Its vegetative development is solid and predictable, making it an ideal candidate for growers aiming for commercial yields with a chemical and pungent terpene profile.
Chemdog Feminized in brief
This genetics completes its maturation in a window of 9-10 weeks of flowering, producing indoor harvests that approach 500-600g/m² under intense lights.
With laboratory tests confirming THC levels above 21%, it offers a heavy physical impact accompanied by strong initial clarity.
The smell during flowering is overwhelming, dominated by notes of fuel, pine, and wet earth. It requires oversized air filtration to be managed indoors.
Technical Sheet
- Genetics: OG Kush x Sour Diesel.
- Type: Indica-dominant hybrid.
- Flowering: 9-10 weeks (63-70 days).
- Harvest: Late October (Outdoor).
- Height: 100-140 cm (Indoor) / up to 250 cm (Outdoor).
- Cannabinoids: THC 21-25%, low CBD (<1%).
- Terpenes: Myrcene, Limonene, Caryophyllene.
- Yield: 500-600g/m² (Indoor), 600-800g per plant (Outdoor).
- Techniques: LST, Topping, Progressive removal of lower foliage.
- Extracts: Excellent return in Rosin due to the size of the trichomes.
- Effect: Narcotic, relaxing, deep sedation.
Intro and History
The Chem lineage is the foundation of modern American genetics, and the Seedfinder archives trace its evolution to the most beloved Diesel and Kush lines.
The goal of Green House Seeds was to stabilize the brute power of this line, offering seeds capable of guaranteeing excellent floral volumetry.
A genetic that builds extreme density through a voracious metabolism and an aromatic identity bordering on toxic.
Cultural management and yield parameters
Indoor
Inside the grow room, Chemdog acts like a pure indica in the first few weeks, then explodes into a moderate but vigorous vertical elongation.
It is a plant that tolerates high salt loads well: the EC can be pushed up to 2.0-2.2 in full bloom to maximize calyx hardness.
Maintaining a VPD around 1.3-1.5 kPa is essential to optimize calcium absorption, preventing necrosis on the leaves of the upper vegetative plane.
Outdoor
Outdoors, this plant builds a woody stem and an extremely branched root platform, capable of withstanding strong winds.
Several reports from expert growers on ICMag confirm that the genetics performs excellently even in high altitude or guerrilla zones, thanks to a flowering that precedes the November frosts.
However, the extreme compactness of the flowers requires manual intervention to shake off morning dew, preventing the formation of grey mold inside the main buds.
Terpene profile analysis
The aromatic profile of Chemdog is not for the faint of heart: it immediately releases a pungent smell of fuel and chemical solvent.
Myrcene brings a solid base of wet earth, while sour limonene cuts the bouquet with pungent notes of pine and fermented citrus.
During the ice and water extraction phase, these volatile terpenes are enhanced, producing a concentrate with a metallic and lingering flavor that literally cleanses the palate.
Effect and stimulation: what to expect
With a THC content easily exceeding 21%, Chemdog immediately hits the head with a rapid wave of cerebral euphoria.
This phase lasts a few minutes, then gives way to a deep and enveloping physical sedation, typical of the heaviest Kush lines.
It is perceived by users as an after-dinner variety, traditionally associated with total relaxation and not recommended for work activities or physical effort.
Technical advantages
- Extreme density: Rock-hard flowers that maintain their weight after drying.
- Chemical identity: An aggressive olfactory profile highly sought after by the modern market.
- Nutritional tolerance: Responds magnificently to heavy fertilization regimes.
- Extraction return: Large-headed trichomes guaranteeing abundant Rosin yields.
Errors that ruin the harvest
The most common error is poor internal ventilation. The density of the buds is such that without a targeted airflow on the branch plane, botrytis is a mathematical risk.
Another frequent mistake is a deficiency of calcium and magnesium in the middle weeks. The plant’s accelerated metabolism requires timely supplements so as not to block floral development.
Finally, using pots that are too small outdoors will cause a rapid depletion of the substrate, leading to early deficiencies that will drastically reduce the yield.
Chemdog vs Other Queens
Chemdog vs OG Kush
OG Kush has a more vine-like structure and wider internodes, while Chemdog develops a more compact vegetative plane and thicker branches, ideal for supporting weight.
Chemdog vs Sour Diesel
Sour Diesel requires significantly longer maturation times and produces airier buds. Chemdog offers faster flowering and flowers with a much higher specific weight.
Chemdog vs Gorilla Glue
Both boast a chemical aroma and abundant resin, but Chemdog stands out for a more earthy and pungent aftertaste, compared to the sweet and gluey notes of Gorilla.
Who it is not recommended for
It is not recommended for urban growers who do not have an industrial odor filtration system, as the smell of diesel fuel will easily pass through walls. In terms of consumption, the strongly narcotic impact makes it entirely unsuitable for those seeking mental clarity for daytime work or study.
FAQ
What is the vertical elongation post-light flip?
The elongation is moderate, usually the plant doubles its vegetative size, remaining very manageable in height.
Does it require defoliation?
Absolutely. Removing the largest fan leaves at the third week of flowering is crucial to expose the lower calyxes to the light.
At what temperature should I cure it?
Keeping the jars at 18°C with 58-60% humidity will preserve the delicate solvent-flavored terpenes, preventing them from evaporating.
Can I grow it in a greenhouse?
Yes, but it is crucial to install powerful oscillating fans. Stagnant night humidity in a greenhouse is the main enemy of its dense flowers.
How long does the root flush last?
At least 14 days of just water are necessary to clean the substrate from the high salt loads used during bulking.
Annibale Seedshop’s Opinion
Chemdog Feminized by Green House Seeds is a yield machine designed for those who don’t want fruity aromas, but pure aggressive power.
Our team highly recommends it to those operating in professional indoor setups, where environmental parameters can push this chemical genetics to the limit.
A winning bet for growers who desire jars full of hard, resinous flowers characterized by an unmistakable smell of diesel fuel.
Cannabis cups won
- 2nd IC-420 Growers Cup 2008.