303 OG Cannabis Seeds

(5 customer reviews)

From: $24.99

 With the ability to develop into plants adorned with dense, frost-coated buds, 303 OG Cannabis Seeds offer more than just visual appeal.

  • Pertains to both recreational enjoyment and therapeutic utility
  • 26% THC content is more pronounced, making the strain more suitable for those seeking psychoactive effects
  • Sweet and pungent blends of aroma
  • 13 oz cannabis per seed
  • One of the best quality strains.




Introducing 303 OG Cannabis Seeds, an exceptional cultivar that brings a confluence of premium traits and unparalleled quality to the discerning grower. Originating from a cross between OG Kush and another undisclosed strain, this hybrid marries the best of both indica and sativa characteristics, providing an all-encompassing experience that resonates with consumers and cultivators alike. With a storied lineage that can be traced back to landrace varieties, the 303 OG encapsulates a symphony of terpenes that deliver an intricate, robust aroma tinged with earthy, piney, and citrusy notes.

The olfactory adventure is but a prelude to the substantive potency this strain boasts—consistently high levels of THC promise a deeply intoxicating yet balanced high, a cerebral awakening followed by a tranquil corporeal relaxation. It’s a variety with a formidable cannabinoid profile, one that has been carefully selected through rigorous testing to ensure efficacy for both recreational and medicinal applications. Users often report that its therapeutic properties offer relief from ailments such as chronic pain, stress, and anxiety, elevating it from mere indulgence to a legitimate remedy.

The agronomic aspects of the 303 OG are no less remarkable. Growers will find it to be a particularly resilient plant, robust in structure and amenable to various cultivation techniques, from hydroponics to traditional soil methods. The strain demonstrates remarkable resistance to common pests and diseases, ensuring a healthy crop with minimal intervention.

Furthermore, its relatively quick flowering time and abundant yield make it an economically viable option for commercial growers. Yet, despite its various merits, it remains an accessible strain for novice growers, forgiving of minor errors and demanding minimal specialized attention.

The dense, resin-coated buds it produces are a testament to its superior genetics, serving both as a visual and tactile delight. Consequently, the 303 OG Cannabis Seeds are not merely a product; they are an invitation to partake in a legacy, to cultivate not just a plant but an experience that stands as a hallmark of quality in an ever-evolving industry. The 303 OG is not merely another strain; it is a holistic experience, an epitome of botanical brilliance and human ingenuity converging to create what can only be described as a masterpiece in modern cannabis cultivation.

Origin and Lineage: 

The origin and lineage of 303 OG Cannabis Seeds embody a rich tapestry of botanical genetics and horticultural ingenuity, intertwining to produce a strain of unparalleled caliber. Rooted in the fertile grounds of Colorado, the numerical prefix “303” in its name pays homage to the area code of its place of inception, affirming its local heritage while signaling its global appeal.

The strain’s provenance is nothing short of illustrious, descending from the renowned OG Kush, a powerhouse in its own right with a composite genetic makeup that includes strains like Chemdawg and Lemon Thai. The mystery surrounding its other parentage adds an element of intrigue, making 303 OG a fascinating genetic enigma worth exploring. This blending of dominant and recessive traits from diverse ancestral lines has resulted in a hybrid strain that exemplifies the best of both indica and sativa phenotypes.

Over multiple generations, breeders have meticulously selected for traits that enhance its robustness, potency, and aromatic profile, thus codifying its reputation as a premium cannabis cultivar. But beyond its immediate parent strains, 303 OG carries the legacy of landrace strains—those original, wild varieties of cannabis that evolved naturally in disparate regions of the world, from the mountains of Afghanistan to the tropical climates of Africa. It is this primal genetic memory, embedded deep within its DNA, that lends 303 OG its resilience, adaptability, and unique constellation of effects.

Because of this diverse genetic pool, 303 OG presents an enigmatic yet harmonious assemblage of terpenes, cannabinoids, and other phytochemicals that work in synergy to produce its remarkable therapeutic and recreational attributes. Even as its precise lineage remains a topic of discussion among breeders and geneticists, the indelible impact of its heritage is indisputable. Whether grown in indoor hydroponic setups or outdoor organic soil, it exudes qualities that are a testament to its well-crafted lineage—a lineage that, while rooted in tradition and authenticity, also embraces innovation and the cutting edge of cannabis science.

Thus, 303 OG represents not just a product of selective breeding but also a living history of cannabis cultivation, encapsulating centuries of agricultural knowledge and decades of modern breeding practices in each seed. Indeed, the 303 OG Cannabis Seeds are more than mere capsules of potential; they are the culmination of a long-standing tradition, embodying a multi-generational journey of botanical refinement.

With each planting, cultivation, and harvest, the 303 OG continues to write its own history, one that is inextricably linked with the growers and consumers who recognize its transcendent quality, thus solidifying its place as a modern classic in an ever-expansive cannabis landscape.

Growth Difficulty and Grow Guide: 

Navigating the cultivation of 303 OG Cannabis Seeds offers an experience that strikes an ideal balance between ease and challenge, serving as a versatile option for both novice and veteran growers alike. With a growth difficulty that leans more towards the moderate spectrum, it is a cultivar that is forgiving of minor horticultural missteps, yet still offers room for expert finesse.

One of the standout attributes of 303 OG is its robust resilience against common pests and diseases, a trait inherited from its genetically diverse lineage. This natural resistance translates into less dependency on chemical treatments, thereby enhancing the organic quality of the final yield. For indoor growers, the strain adapts well to a variety of cultivation methods, be it hydroponics, aeroponics, or soil-based systems.

In these controlled environments, maintaining a consistent temperature and humidity level will go a long way in maximizing its growth potential. The 303 OG is also conducive to the Screen of Green (SCROG) method, allowing for optimized light distribution and aeration, which in turn accelerates its flowering phase and boosts yield. Outdoor cultivation is equally rewarding, with the strain exhibiting a proclivity for temperate climates characterized by warm, sunny days and cool nights. In such settings, it reaches full maturity by late September or early October, offering a generous harvest of dense, resinous buds.

Nutrients and Equipment:

  1. Seed Germination: The 303 OG seeds typically germinate within 24 to 72 hours when placed in a warm, moist environment.
  2. Growing Medium: This versatile strain thrives in both soil and hydroponic setups, offering flexibility for growers.
  3. Equipment: Employing a grow tent or a dedicated indoor space with proper ventilation is advisable for optimal growth.
  4. Lighting: 303 OG benefits from full-spectrum LED lighting, or alternatively, High-Pressure Sodium lights during the flowering stage.
  5. Nutrients: A balanced N-P-K (Nitrogen, Phosphorus, Potassium) nutrient regimen is crucial for the strain’s robust development and resin production.
  6. Temperature: Maintaining a consistent temperature range of 68-77°F (20-25°C) is optimal for 303 OG’s growth cycle.
  7. Humidity: Aim for a relative humidity level of 40-50% during the flowering stage to prevent mold and optimize resin production.
  8. Pruning: Strategic pruning of lower branches and non-productive foliage directs the plant’s energy towards bud formation.

Flowering Phase:

  1. Lighting: For optimal results, 303 OG requires full-spectrum LED lighting, which can also be supplemented with High-Pressure Sodium lights during the flowering stage.
  2. Nutrients: Utilizing a well-balanced mix of Nitrogen, Phosphorus, and Potassium is key for robust vegetative growth and abundant flowering in 303 OG plants.
  3. Temperature: The ideal temperature range for 303 OG cultivation lies between 68-77°F (20-25°C), ensuring optimal metabolic activity and growth.
  4. Humidity: To mitigate the risk of mold and encourage optimal resin production, it’s advisable to maintain a relative humidity level of 40-50% during the flowering stage.
  5. Sexing: Identifying the sex of 303 OG plants early in the vegetative stage is crucial for isolating females, which produce the desired buds, from male plants that can jeopardize yield.


  1. Indicators: Look for the gradual change in trichome color and the curling and browning of pistils as indicators that the 303 OG is ready for harvest.
  2. Technique: Employing the Screen of Green (SCROG) technique can maximize yield by optimizing light distribution and encouraging horizontal growth.
  3. Curing: After harvest, a slow cure in a controlled environment with 60-65% humidity for about two weeks enhances the strain’s flavor and potency.

Common Challenges:

  1. Pests: 303 OG plants display a strong resistance to common pests like spider mites and aphids, reducing the need for chemical treatments.
  2. Nutrient Imbalance: Signs of nutrient imbalance in 303 OG may manifest as discoloration or curling of leaves, necessitating prompt adjustment of the nutrient regimen.
  3. Over/Under Watering: Overwatering can lead to root rot, while underwatering can stress the 303 OG plant, impacting its overall vitality and yield.

Additional Tips:

  1. Training Techniques: Low-Stress Training (LST) and High-Stress Training (HST) techniques can both be effectively employed to enhance canopy spread and light penetration, ultimately increasing 303 OG’s yield.
  2. Climate: The 303 OG strain is highly adaptable but prefers a temperate climate with warm days and cool nights for optimal growth.
  3. Testing: Periodic lab testing for cannabinoid and terpene profiles is recommended to ensure the potency and quality of the 303 OG crop.

Germination time:

Understanding the germination period for 303 OG Cannabis seeds is imperative for achieving optimal cultivation results. Typically, these particular seeds undergo a germination timeline ranging Spanning from 24 to 120 hours, equivalent to a period of one to five days, after the initial soaking process. Variables such as soil quality, moisture level, and temperature play significant roles in affecting this timeframe.

It’s crucial to maintain an environment that encourages rapid root development, and that usually involves keeping the soil or germinating medium moist but not waterlogged, and at a stable temperature of approximately 22 to 25 degrees Celsius. Suboptimal conditions can lead to prolonged germination or, worse, the possibility of seedling failure.

Skilled cultivators often adopt proven techniques like the paper towel method or direct soil sowing to promote uniform and successful germination. However, it is critical to emphasize that the aforementioned period is not set in stone. Deviations can and do occur based on the specificity of your growing environment. Therefore, rigorous monitoring during this vital phase is non-negotiable for anyone committed to maximizing the potential of their 303 OG Cannabis plants.

Wellness and 303 OG Cannabis seeds:

The wellness and effects of 303 OG Cannabis seeds are topics that have garnered considerable attention, especially as they pertain to both recreational enjoyment and therapeutic utility. This particular strain is revered for its nuanced balance between Indica and Sativa properties, making it a multipurpose choice for consumers seeking diverse effects. With THC levels often hovering around the high teens to low twenties in percentage terms, 303 OG manifests itself as an efficacious alternative for pain relief, anxiety reduction, and sleep improvement, all without inducing an overwhelmingly sedative experience.

On the recreational front, it offers a cerebral uplift that is simultaneously invigorating and calming, allowing for a more sociable and creative engagement with one’s surroundings. This multifaceted profile makes it an attractive option for people with different preferences and tolerances, aligning with the broader wellness movement that increasingly values personalized healthcare solutions.

On the cultivation side, the wellness of the seeds is contingent on various factors including, but not limited to, soil quality, nutrient supply, and environmental conditions such as humidity and temperature. Adherence to best practices in these areas is non-negotiable for anyone serious about maximizing the yield and potency of their 303 OG plants.

Furthermore, the strain’s natural resistance to common pests and molds adds a layer of ease to its maintenance, making it a robust choice for both novice and experienced cultivators. Interestingly, the comprehensive wellness profile of this strain also extends to its terpene composition, featuring a complex bouquet of flavors and aromas that contribute to the entourage effect, enhancing both its psychoactive and medicinal properties.

This synergy between cannabinoids and terpenes has been the subject of extensive research, with findings suggesting improved efficacy in treating conditions such as chronic pain, inflammation, and even certain neurological disorders. In summary, the wellness and effects of 303 OG Cannabis seeds offer a robust and flexible option for a wide range of applications, solidifying its reputation as a go-to choice for both recreational consumers and medicinal users alike. Therefore, both from the viewpoint of the consumer and the cultivator, 303 OG presents a compelling case for its incorporation into a comprehensive wellness strategy.

CBD Levels:

When exploring the chemical composition of 303 OG Cannabis seeds, one cannot overlook the importance of CBD levFels, which are typically on the lower end, generally hovering around 0.2% to 1%. While the THC content is more pronounced, making the strain more suitable for those seeking psychoactive effects, the low CBD levels also contribute to the overall wellness profile of this particular cultivar.

The low CBD concentration means that 303 OG is not usually the first choice for those looking exclusively for non-psychoactive therapeutic benefits such as anti-inflammatory or anti-anxiety effects. However, it is essential to recognize that the synergistic interplay between CBD and THC can often lead to enhanced medicinal benefits, a phenomenon known as the entourage effect.

Therefore, even with low CBD levels, the strain may offer nuanced health benefits that are amplified by the presence of other cannabinoids and terpenes. Cultivators who are focused on increasing the CBD levels have the option of selective breeding techniques to create a phenotype that leans more towards higher CBD concentrations, but it’s a delicate process that requires extensive expertise in plant genetics and breeding.

Furthermore, the low CBD content has implications for legal considerations, as jurisdictions with strict limitations on THC levels for legal cannabis products might not readily accommodate the typical chemical profile of 303 OG.

This makes it imperative for cultivators and consumers alike to be keenly aware of their respective local laws surrounding cannabinoid content. Within the medicinal cannabis community, the low CBD concentration in 303 OG is often weighed against its higher THC levels when choosing it as a treatment option for conditions such as chronic pain or insomnia.

While the strain may not offer the full spectrum of CBD-related benefits, it still stands as a compelling choice for conditions that respond well to THC, either alone or in concert with the trace amounts of CBD present.

In conclusion, while the CBD levels in 303 OG Cannabis seeds are not remarkably high, they form an integral part of the strain’s overall cannabinoid profile, influencing both its recreational and medicinal applications in subtle yet significant ways. Therefore, a nuanced understanding of these levels is vital for anyone looking to utilize 303 OG for its varied, albeit THC-dominant, wellness benefits.


The visual characteristics of 303 OG Cannabis seeds and the subsequent plants they produce exude both aesthetic and utilitarian charm, acting as trustworthy gauges of their comprehensive well-being and prospective efficacy. Characteristically, these seeds exhibit a dark brown hue, often with a glossy sheen, and are enveloped by a hard shell that serves as protection during the initial stages of germination.

This exterior toughness is not merely a cosmetic feature; it plays an essential role in ensuring the seed’s viability, protecting the delicate genetic material within. Once cultivated, the plants themselves manifest a visual richness featuring broad leaves that are a lush green, often accentuated by purple or blue undertones as they mature, depending on the specific growing conditions.

The bud structure leans more towards the Indica side, with dense, resinous flowers that are generously covered in trichomes, the tiny, crystalline structures where much of the plant’s cannabinoids and terpenes are stored. These trichomes give the buds a frosted appearance, making them highly attractive to both cultivators and consumers. The visual assessment is further enriched by the presence of bright orange or sometimes red pistils, the tiny hair-like structures that serve reproductive functions in the plant.

These colorful accents not only contribute to the plant’s overall beauty but also signal maturity, aiding cultivators in determining the optimal time for harvest. In the world of cannabis cultivation, appearances are not merely superficial; they offer critical insights into the plant’s health, potency, and readiness for harvest.

For instance, a lack of trichome density or discolored leaves can indicate suboptimal growing conditions or even the presence of disease, necessitating immediate attention and possibly corrective action. Moreover, the unique appearance of 303 OG Cannabis plants makes them a distinctive presence in any cultivation setup, whether it’s an indoor hydroponic system or an outdoor garden.

The plant’s stature is generally medium to tall, depending on whether it is allowed to grow naturally or is subjected to training techniques to control its height. This renders it a flexible choice for cultivators possessing varying amounts of available space. In sum, the appearance of 303 OG Cannabis seeds and their resulting plants provides a wealth of information that goes beyond mere aesthetics, offering clues about their health, genetic quality, and ultimately, their yield potential, making them a captivating and rewarding choice for cultivators of all levels of expertise.

Plant Height:

The plant height of 303 OG Cannabis is an essential attribute, particularly when strategizing about cultivation space and resources. Generally falling under the medium-to-tall range, this strain can reach heights of up to six feet when grown outdoors, subject to optimal conditions. This characteristic necessitates a degree of spatial planning, especially for indoor cultivators who operate under the constraints of limited vertical space. It is not uncommon for growers to employ plant training techniques like low-stress training, topping, or supercropping to control the vertical growth and promote a more bushy, lateral development.

These methods not only make the plant more manageable but can also enhance light distribution, ultimately contributing to higher yields. Height also correlates with root health; a robust root system generally underpins a taller plant. Therefore, paying attention to the height of 303 OG plants can offer valuable insights into their overall well-being and potential for abundant flowering.


The aroma profile of 303 OG Cannabis is a compelling blend of sensory nuances that captivates both cultivators and consumers alike. Often described as complex and multi-layered, this particular strain emanates an initial burst of earthy tones accompanied by subtle hints of pine and citrus.

As the plant matures, these foundational notes may evolve to include a more diverse palette, sometimes incorporating undertones of spice, skunk, and even occasional floral notes that add richness and complexity to its olfactory profile. Importantly, the aroma is not just a superficial trait but an indicator of the plant’s phytochemical composition, particularly its terpenes.

Terpenes like myrcene, limonene, and pinene are often present in this strain, and their concentrations influence not just the aroma but also the strain’s therapeutic and psychoactive properties. These fragrant molecules collaborate in harmony with cannabinoids such as THC. and CBD to create what is commonly referred to as the entourage effect, thereby enhancing the strain’s overall efficacy for medicinal or recreational purposes.

Furthermore, the aroma serves as a critical tool for seasoned cultivators in assessing plant health and maturity. A weakening or alteration in the aroma may indicate underlying issues such as nutrient deficiencies, diseases, or the onset of adverse environmental conditions, necessitating prompt intervention to preserve the plant’s health and maximize yield.

Additionally, the aromatic potency of 303 OG often necessitates the use of odor-control measures in indoor cultivation setups, such as carbon filters, to mitigate the pervasive smell that could otherwise become a nuisance or even a legal concern depending on jurisdictional regulations.

The cultivation stage, whether it’s vegetative or flowering, also significantly influences the intensity and complexity of the aroma. During the flowering stage, for example, the scent typically becomes more robust and multidimensional, signaling the plant’s readiness for harvest. The harvested buds, when properly cured, often maintain a potent aroma that reflects the rich cannabinoid and terpene profile, ensuring a fulfilling consumer experience whether the intent is medicinal use or recreational enjoyment.

In summary, the aroma of 303 OG Cannabis serves multiple roles: as a sensory delight, a diagnostic tool for cultivators, and an indicator of the phytochemical compounds that contribute to its diverse range of effects and benefits. Therefore, understanding the aroma of this particular strain enriches the cultivation and consumption experience, making it a cornerstone in the comprehensive evaluation of its quality and potential.


The flavor profile of 303 OG Cannabis is a captivating sensory experience that distinguishes it in the crowded landscape of cannabis strains. Often described as a luxurious blend of earthy, piney, and citrusy notes, the flavor carries subtle undertones of spice and woodiness that lend it a unique and memorable taste. This rich ensemble of flavors is primarily attributed to the specific terpenes present, such as myrcene, pinene, and limonene, which not only define the taste but also contribute to the strain’s therapeutic and psychoactive effects.

For consumers, the nuanced flavor profile serves as an introduction to the strain’s comprehensive attributes, often indicative of its potency and the experiences it is likely to induce. It is an interactive affair, engaging the palate and setting the stage for the ensuing psychoactive or medicinal effects, whether they be euphoria, relaxation, or relief from specific symptoms.

The complexity of the flavor also reveals itself through different methods of consumption. Whether vaporized, smoked, or used in edibles, the essence of 303 OG often shines through, albeit with variations influenced by the chosen method. For example, vaporizing tends to amplify the strain’s citrusy notes, providing a cleaner and more pronounced flavor, while traditional smoking methods might deepen the earthy tones.

For cultivators, the flavor is not merely an end in itself but a journey that begins with proper cultivation techniques. Variables like soil quality, nutrient balance, and even the time of harvest can substantially influence the final flavor profile. A premature harvest might yield a less than optimal taste, while waiting too long can similarly degrade the intended flavor compounds. The curing process post-harvest is another pivotal phase that can make or break the flavor.

Proper curing enhances the natural flavors and maximizes their longevity, ensuring that the end user enjoys the full spectrum of what 303 OG has to offer. In essence, the flavor of 303 OG Cannabis is an intricate tapestry woven from a combination of genetic attributes, cultivation expertise, and consumer preferences.

It serves as a vital parameter for quality assessment, reflecting not just consumer satisfaction but also the plant’s overall health and the skill of the cultivator. In totality, the flavor of 303 OG contributes significantly to its standing as a strain of choice for a wide array of users, further solidifying its position in the realms of both recreational and medicinal cannabis.

In Conclusion:

In wrapping up the examination of 303 OG Cannabis seeds, it becomes abundantly clear that this strain offers a multifaceted experience that spans the domains of recreational enjoyment, therapeutic relief, and cultivation complexity. Its balanced genetic makeup provides a harmonious blend of both Sativa and Indica attributes, resulting in a diverse range of effects that can be tailored to meet individual needs, whether for pain relief, relaxation, or creative stimulation.

The chemical composition, while THC-dominant, still presents a complex interplay of cannabinoids and terpenes that contribute to an entourage effect, elevating its potential for both medicinal and psychoactive benefits.

As a cultivar, its seeds and subsequent plants display an array of characteristics that require careful attention but also offer generous rewards. The strain’s appearance, replete with vibrant hues, dense buds, and resin-rich trichomes, is both an aesthetic delight and an indicator of quality and health. Furthermore, its aroma and flavor profiles provide a sensory richness that enhances the overall consumption experience while also serving as diagnostic tools for cultivators.

The cultivation process, although demanding in terms of space, resources, and expertise, pays off in the form of high yields and potent buds, assuming proper cultivation practices are followed. Issues such as plant height, aroma control, and the optimization of flavor through proper harvest timing and post-harvest curing are essential considerations but are well within the reach of even novice growers willing to invest the time to learn.

Regarding legal implications, it’s crucial to emphasize that the higher THC levels mean that the strain may not be suitable for all jurisdictions, requiring both consumers and cultivators to be aware of local cannabis laws. Collectively, these attributes and considerations make 303 OG a compelling choice for a wide audience, from the casual consumer to the seasoned cultivator. Thus, 303 OG Cannabis seeds offer an intricate yet rewarding venture into the world of cannabis, embodying the plant’s rich potential as both a form of natural medicine and a source of recreational delight.

Additional information

Best Use

Depression, Headache, Insomnia


50% Indica, 50% Sativa

CBD Level



Creative, Euphoric, Uplifting


Pungent, Spicy, Sweet

Flowering Time Indoors

60-70 Days

Flowering Time Outdoors

mid October

Growing Difficulty


Indoor Yield

11oz/ m²

Outdoor Yield

13oz/ plant

Plant Height




Thriving Climate

Mediterranean climate



5 reviews for 303 OG Cannabis Seeds

  1. John

    Nice selection of seeds.good price looking forward to ordering my first order

  2. John

    Nice selection of seeds.good price looking forward to ordering my first order.

  3. John

    Nice selection of seeds.good price looking forward to ordering my first order.good information about its Products.

  4. Graham.P

    I’ve been looking for a reliable place to order my seeds from. I’ve been a seed collector for 3 years now and I know good quality seeds when I encounter them. The deamination rate is incredible. This is why I trust this place and will only order from here.

  5. Corinne Hardin

    The flavor of this strain was absolutely amazing.

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