Free Seeds & Gift Every Order
Up to 40% SALE
Worldwide Fast Free Shipping*
High Grade Genetics
Pick and Mix Seeds
15,30€ – 76,00€Price range: 15,30€ through 76,00€
Fast Shipping
Best Price Guaranteed
Anonymous and Safe
| Weight | N/A |
|---|---|
| Genetic Type | Hybrid, Pure Indica |
| Harvest Time | 10-12 Weeks, 8-10 Weeks |
| Harvest Yield | 300-400g /m2, 400-500g/ m2 |
| Seed Gender | Feminized Seed |
| Seedbank | DNA Genetics |
| THC | High THC (20%), Mid THC (15%) |
| Where to Grow | |
| Country | Dutch |
| Effect | Appetite Stimulant, Creative, Muscular, Narcotic, Relaxing, Social |
| Genetic Family | Kush, Skunk |
| Quality | Annibale's Choice, Bestseller, Easy to Grow |
| Taste and Smell | Diesel / Gas / Fuel, Earth / Musk / Coffee, Lemon / Citrus |
Lemon #18 Feminized positions itself as one of the most sour, chemical, and potent selections within DNA Genetics’ OG Kush derived line. This top-tier cultivar is born from the union between the award-winning Lemon Skunk (in the seedbank’s elite selection) and the legendary The OG #18.
The agronomic focus of this cross was to graft the citrus freshness of Skunk onto the dense cellular structure and the “Dank” and gassy profile of #18. It is a genetic designed for commercial growers who demand rock-hard buds associated with a modern and pungent aromatic profile, and for extraction professionals seeking high-viscosity resins.
Lemon #18 by DNA Genetics is an indica-dominant hybrid that completes flowering in a stable window of 9 weeks (60-65 days). It develops a consistent indoor productivity between 400 and 500g/m², with THC concentrations consistently exceeding 22% in professional setups.
The plant expresses a robust yet slender structure, inheriting the flexible stretch of the OG and the swollen calyxes loaded with surface resin of the Skunk. The aromatic profile is a sharp combination of sour lemon, chemical solvent (fuel), and damp earth, with an effect perceived by users as deep physical relaxation accompanied by a moderate initial cerebral stimulation.
The genesis of Lemon #18 lies in DNA Genetics’ desire to evolve the “Lemon OG” concept by reducing the structural instability typical of pure Kush clones. According to historical data from Seedfinder, the introduction of Lemon Skunk acted as a strong biological stabilizer, increasing the thickness of the stem cell walls and improving the plant’s tolerance to nutritional stresses.
A genetic that prefers to convert macroelements into hard calyxes covered in a thick coat of sticky trichomes.
Agronomic analyses documented on ICMag highlight how Lemon #18 manifests a particularly voracious and reactive root system, capable of supporting a high leaf transpiration rate even on the hottest indoor days, provided optimal ventilation parameters are maintained.
Lemon #18 is a vigorous plant that responds with millimetric precision to structural manipulation techniques.
In a controlled environment, this cultivar expresses a decisive vertical stretch during the photoperiod change (stretch ratio of about 1:2), a trait typical of the OG Kush lineage. The application of the SCROG or Supercropping technique is highly recommended to weave the branches horizontally and form an even branch plane. VPD must be set at 1.2-1.3 kPa in the central phase, rising up to 1.5 kPa in the last two weeks.
This reduction of relative humidity (below 45%) is a fundamental technical choice to induce the plant to secrete more resin and protect the flowers, which become so dense and hard that they dangerously trap internal moisture. Nutrient absorption is high, tolerating EC up to 1.9.
Outdoors, Lemon #18 expresses excellent rusticity qualities. Its root zone requires large volumes, preferring placement in open ground enriched with organic matter and mycorrhizae, which accelerate root capillary expansion.
Flowering concludes towards mid-October; it performs excellently in greenhouses, where protection from autumn rains allows for bringing trichome ripening to its maximum peak without risks. Given the hardness and specific weight of the apical buds, the use of stakes or support nets is mandatory to prevent structural breakage of the side branches.
The terpene profile of Lemon #18 is a pungent and industrial sensory experience, far removed from classic citrus skunks. Limonene and Caryophyllene cooperate to create sour and chemical top notes, reminiscent of solvent and diesel fuel. Myrcene consolidates the molecular base with a heavy scent of damp earth and musk inherited from OG #18.
During the drying phase and subsequent curing in glass for at least 40 days, the aroma evolves, becoming incredibly dense, dank, and persistent. In solvent extraction (BHO) or heat pressure (Rosin) operations, this variety is considered an elite gem: the high volatility of its monovalent terpenes transfers intact into the final concentrate, leaving a sharp and oily aftertaste that lingers on the palate for several minutes.
With a THC content consistently touching 22-24%, Lemon #18 offers a predominantly indica and enveloping experience. Many consumers report deep easing of muscle tension, accompanied by a sensation of physical heaviness ideal for evening hours. The mental impact is limited to an initial wave of euphoria and serenity that erases perceived stress, then stabilizing into absolute mental quiet that facilitates night rest without causing anxiety peaks or racing thoughts.
The most common agronomic error with Lemon #18 is excess Nitrogen during the first three weeks of flowering. An overdose of N stimulates the vertical push of the OG in an exaggerated way, spacing the internodes excessively and reducing the compactness of the central bud.
Another critical risk is poor horizontal ventilation: the density of the flowers is such that air must circulate constantly; ignoring selective lower branch plane defoliation (lollypopping) exponentially increases the risk of botrytis. Finally, not performing a root flush (flushing) of at least 14 days leaves a chemical and scratching taste due to accumulated salts in the tight calyxes.
Lemon Skunk is a sweeter 50/50 hybrid, citrusy and with longer, more open buds, ideal for daytime use. Lemon #18 is decidedly more sour-chemical, heavy, compact, and offers a markedly more sedative and narcotic physical effect.
Pure OG #18 offers purely gassy and earthy notes, with a structure that is at times thin and sensitive. Lemon #18 brings the structural vigor and citrus blast of Lemon Skunk, resulting in a more productive, robust, and complex nose.
Holy Grail Kush remains on a purely earthy and wet asphalt track (Kosher x OG). Lemon #18 positions itself in an equally powerful and dense bracket, but shifts the aromatic axis towards the sour freshness of lemon solvent.
This variety is discouraged for those looking for an energizing, stimulating effect or one ideal for morning activities requiring physical dynamism. It is not suitable for novice growers operating in indoor environments lacking professional dehumidifiers, as the flower compactness does not tolerate humidity rates above 50% in the last three weeks of the cycle.
It is recommended to maintain the pH at 6.2-6.4 in soil and 5.8 in hydroponic systems or coco coir to optimize the absorption of mobile and immobile nutrients.
Vertical stretch is decisive, usually doubling the initial height of the vegetative phase (1:2 ratio).
Yes, the side branches are elastic in the early stages and respond very well to bending, facilitating the horizontal filling of space.
The peak of gassy terpenes is obtained when 85% of the trichomes are milky white and 15% amber; extending flowering too much increases earth at the expense of gas.
The smell is extremely penetrating, volatile, and heavy; the use of efficient and constantly renewed activated carbon filters is mandatory indoors.
DNA Genetics’ Lemon #18 is a variety of impressive agronomic concrete. It is the plant we recommend to those who love hard, pure, and penetrating Kush profiles, enriched by that chemical touch of lemon that cleanses the palate. It is not a plant for “large airy masses,” but a producer of rock-hard, heavy buds covered in an extraordinary shiny resin coat. A safe investment for those who demand elite quality and devastating bag appeal.