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Explore our exclusive collection of cannabis seeds, meticulously curated for discerning growers in the USA. Whether you are growing indoors or outdoors, elevate your cultivation experience and achieve stunning harvests with premium feminized, autoflowering and regular cannabis seed genetics.
Cannabis seeds are offered in three different types - regular seeds, autoflower seeds and feminized seeds. All can produce heavy yields of high THC buds. These days, most seed banks find just 1-2% of the seeds are sold in regular form. The remaining seed sales are split almost equally between feminized seeds and autoflower seeds.
Feminized cannabis seeds have been bred to produce plants with stable genetics, often resulting in consistent and predictable growth patterns and cannabinoid profiles whether they are grown indoors, outdoors or in grenhouses. However, a potential downside is the small chance (0-5%) of hermaphroditic plants, which can occur due to stress or genetic factors. It's important to monitor plants closely during the flowering stage to ensure a high-quality harvest in all circumstances.
Autoflower cannabis seeds typically develop into female autoflowering plants, making them a reliable an extremely convenient choice for growers. These plants can be harvested around 10-11 weeks after germination, providing a quick turnaround. They grow from seed to harvest indoors under a fixed light cycle, usually with 20 hours of daily light. It is important to note that just like their feminized photoperiod counterparts, there is a small chance for some plants to turn hermaphrodite.
Regular cannabis seeds offer a balanced mix of benefits and drawbacks. These seeds typically produce approximately 50% female and 50% male offspring, which is often preferred by old-school growers and breeders. However, a significant drawback is that unless you are intentionally producing male plants for breeding purposes, you will need to identify and remove the male plants to prevent them from pollinating the females, which can be time-consuming and labor-intensive.
Dutch Passion were formally established in the 1980’s after many years collecting and crossing cannabis seeds collected from all over the world. Today their diverse collection of original genetics is widely recognized as one of the finest in Europe, and now fully available in the USA. In the 1990’s Dutch Passion stunned the cannabis world by becoming the first seedbank to develop feminized cannabis seeds. Dutch Passion currently have around 100 cannabis cups and numerous industry accolades for their pioneering work with cannabis genetics.
Indica and sativa strains both contain fine quality marijuana genetics with similarly high THC levels. But with some subtle differences. In general terms, indica strains tend to be more relaxing and calming, whereas sativa strains lean towards more energizing/invigorating effects. Hybrid seeds are made by crossing a sativa parent strain with an indica. The resulting hybrid strain often shows characteristics from each parent. Some phenotypes may lean slightly toward the indica heritage, others towards the sativa heritage.
Some recreational users have preferences towards indica, sativa or hybrid strains - perhaps depending on their mood. Some medical users find the most useful medical benefits come from specific types of indica, sativa or hybrid strains. Many growers enjoy indica, sativa AND hybrid strains. These growers find it handy to have jars of each type to suit their mood. One of the joys of home-growing is the chance to try various cannabis strains to find which ones bring you the greatest pleasure and/or medical relief.
The experienced cannabis grower often has a good idea of the variety of marijuana seeds that best suit their recreational/medical needs. They may also know which type of seeds (indica, sativa, hybrid) best suit their grow room and grow style. If you don’t have too much grow experience, pay extra attention to the strain descriptions offered by your seedbank. You may also want to check out previous online grow reviews to learn more about the strain.
It can help to narrow your choice down to a few trusted breeders and browse their strains. Many prefer to buy cannabis seeds directly from the breeder/seedbank website. This way you should get the latest batch of seeds which (hopefully) have been professionally cold-stored prior to shipping.
Type of genetics:
Few growers find regular seeds convenient, unless they are making their own crosses. Never-the-less Dutch Passion still offer one of the biggest selections of original regular strains. However, for most growers, the choice is whether to grow feminized seeds or autoflower seeds. Modern autoflower strains are now on the same-quality levels as feminized strains, they are especially easy/fast to grow and are often recommended to less experienced growers for their wide-grow latitude.
Growing environment:
Optimizing your grow environment (along with buying the best weed seeds) is the key to success for any grower. This allows you to push your cannabis genetics to their limit, delivering you the best possible harvest - rich in cannabinoids and terpenes. All serious growers use LED grow lights and use air con/heating to keep temperatures around 75-77F with lights on, and a few degrees lower during the dark period. Monitor and control humidity, keeping it low (ideally below 45% RH) during bloom to deter mold.
For many US growers, air-con in summer and heating during winter are now necessary costs-of-growing to deliver top-shelf buds.
Cannabinoid profile:
High THC levels are often desired by both medical and recreational growers. The best strains benefit from high quality, stable and vigorous parent genetics. Some growers seek medium-THC levels for daytime use, or even strains rich in CBD, CBG, THCV, CBDV or other esoteric cannabinoids. Check out the special cannabinoid seeds to read more about unusual cannabinoid strains. The more established seedbanks tend to have the widest seed selections.
Terpene profile:
A rich terpene profile gives the strain it’s unique aroma and flavor. Many are still surprised to know that the connoisseur smoker/vaper tends to give equal weighting to both the cannabinoid profile and the terpene profile. Remove a killer terpene profile from a high THC strain (e.g. by fast drying) and you can be left with a less appealing vape/smoke.
Potential height / stretch:
If growing in a small tent with limited vertical grow space, you will want to avoid stretchier varieties such as some of the sativa seed varieties. Instead, you may prefer to grow shorter feminized or autoflower strains. Good breeders/seedbanks should offer detailed genetic descriptions to help you select the right strains for your location.
Potential yield:
Serious breeders work hard to select parent offspring with good yields, high cannabinoid levels and the tastiest terpene profiles. Not all strains yield heavily, and those that do will require optimized environmental conditions to be maintained. Check previous online grows to get an idea of the possible yields from your target strains.
These strains are selected for their wide latitude grow ability. If you’re new to growing, or have had difficulties before, these cannabis seeds are a great, proven, starting point. These seeds are also amongst the most affordable strains in our collection.
These indoor cannabis strains will give you solid, predictably high-THC harvests with heavy yields and great flavor. this strain selection includes some of Dutch Passion’s most potent varieties and should satisfy even the most demanding indoor grower.
The Dutch Passion outdoor cannabis seed collection has been developed and selectively bred in Europe over many years. They offer exceptional robustness and resilience for outdoor cultivation, even in the more temperate northern states.
Indica cannabis seeds give rise to generally short, stocky and bushy plants that deliver heavy yields of compact buds with blissfully relaxing effects. The strong physical ‘body stone’ is often highly sought-after by medical users.
Sativa cannabis seeds tend to produce tall plants with quite some stretch and internode distance produced during bloom. Note these strains may require extra grow room management techniques like low stress or high stress training.
Seeking the most potent harvest possible for the strongest psychoactive effects? These proven high THC bangers should deliver THC levels around and perhaps above 25%. Note that such powerful effects are not for every recreational/medical growers.
These 5 high-yielding cannabis seed selections are the ones to grow if you need to fill a few more jars than usual. Some of them may have a slightly longer bloom time than average, but the patient grower will be rewarded with the heaviest yields!
Adore cannabis seed varieties with breathtakingly powerful terpene profiles that you can smell even when double-bagged? These 5 picks are the top strains for those that want the ultimate nose-appeal with mouthwatering taste and epic flavor.
These 5 picks grow well indoors under a 20/4 or 18/6 cannabis light cycle from seed to harvest, taking around 11 weeks. They also grow well outdoors; many US growers will be able to get 2 or even 3 successive outdoor auto crops per year.
Buying the best marijuana seeds is only the first step of your journey towards pro-quality levels and self-sufficiency. Key to a good crop is combining quality genetics with optimized environmental and grow conditions. Any experienced grower will tell you that keeping your plants in the nutrient and optical sweet spot from seed to harvest is key. This is admittedly easier said than done, but learning from each grow and continuous improvement in your grow experience is the best route to top-shelf harvests.
Rookie growers may not get full value from premium genetics if still on the learning curve. Experienced growers optimize conditions and prefer refined genetics. Choose seed suppliers with detailed descriptions, independent lab reports, and good reputations. Budget growers should check Dutch Passion Cannabis Seed Sale for discounts on expensive strains. Additionally, consider autoflowering seeds for faster harvests and easier growth. Autoflowering varieties switch from vegetative growth to the flowering stage with age, not light cycle changes, making them more forgiving for beginners.
Serious growers use LED lights. Learn proper hanging heights and power levels for each growth stage. Advanced growers can use supplemental UVA/UVB lights to maximize cannabinoid and terpene content. LEDs are energy-efficient and produce less heat, reducing the need for cooling systems. Explore full-spectrum LEDs for better light quality that mimics natural sunlight, promoting healthier plant growth. Some growers also use adjustable spectrum LEDs to fine-tune light conditions for different growth phases, further enhancing yield and potency.
Aerated grow containers, like large felt sacks or airpots, promote healthy root systems and fast growth. Common beginner errors are overwatering and overfeeding. Aerated containers help prevent roots from sitting in excessively wet soil. Consider fabric pots which provide excellent aeration and air pruning of roots, resulting in a more robust root system. Also, ensure proper drainage to avoid root rot and facilitate oxygen access to roots. Regularly check for root-bound conditions and transplant to larger containers as needed to support continued growth.
Dutch Passion strains are tested in various grow mediums—soil, coco, clay pebbles, hydroponics. Hydroponics offer the fastest growth but are recommended for experienced growers. Soil is beginner-friendly and often contains beneficial microbes. Coco coir is a popular alternative to soil, offering better aeration and faster growth. Consider soilless mixes for better control over nutrients and pH levels. Organic growers may prefer living soil with compost and other organic amendments that provide a natural nutrient source. Experiment with different mediums to find what suits your growing style best.
Nutrients are crucial and can be costly. Beginners should use basic nutrients and avoid over-feeding. Start with low concentrations, increasing gradually. Slow-release organic nutrients, like BioTabs, simplify growing and reduce dependency on mineral additives. Ensure a balanced N-P-K (nitrogen, phosphorus, potassium) ratio appropriate for each growth stage. Micro-nutrients such as calcium, magnesium, and iron are also essential for optimal plant health. Micro-nutrients such as Calcium, Magnesium and Iron are also essential for plant health. Ensure correct pH in your nutrient feeds.
Most growers use tap water, but if local water quality is poor, deionized water may be used. Hydroponic growers often prefer deionized water for precise nutrient mixes. Regularly check water pH and adjust to optimal levels (5.5-6.5 for hydroponics, 6.0-7.0 for soil). Consider using rainwater, which is naturally soft and free from chemicals found in tap water. Install a water filtration system if using tap water to remove chlorine and other contaminants. Ensure consistent watering schedules to avoid stress and support healthy growth.
Avoid temperature extremes and fluctuations to prevent plant stress. Use air conditioning and heating as needed. Maintain around 75-77°F with lights on, slightly cooler with lights off. Optimal temperatures ensure high cannabinoid and terpene levels. Monitor and adjust humidity alongside temperature to create a balanced environment. Many cannabis growers use thermostat controllers to regulate fan speed and temperatures. In hot climates air-conditioning may/will be required to control temperatures.
Humidity is critical, especially in late bloom. High relative humidity (RH) can cause mold and bud rot. Keep RH around 45% or lower during bloom, using a dehumidifier if necessary. During the vegetative stage, maintain RH around 60-70% for optimal growth. Use hygrometers to monitor humidity levels accurately. Implement good air circulation to prevent stagnant air and reduce humidity buildup. Consider using a humidifier during dry conditions to maintain proper RH levels. Ensure your grow space is sealed to control humidity effectively.
Fresh air is essential for photosynthesis. Use an appropriate extraction fan and carbon filter for your grow space. Oscillating fans within the grow room ensure air circulation, preventing stale air pockets. Proper ventilation also helps manage temperature and humidity, creating an optimal environment. Consider intake fans to bring in fresh air whilst keeping a negative pressure in the grow room. Regularly clean and maintain fans and filters to ensure efficient operation. Implement CO2 supplementation for enhanced growth and yield in well-ventilated spaces.
Growing cannabis is relatively straightforward once the basics rules are followed. Dutch Passion have seen literally thousands of first-time growers ace their first grow and deliver a great quality harvest. Spend some time planning and preparing for your grow. Ensure you have all the necessary equipment, seeds, nutrients etc and get ready to enjoy the experience!
Buy fresh cannabis seeds from a reputable source to achieve around 95% germination rates. Common germination methods include planting seeds directly in the grow medium or using the reliable damp cotton pad method. Always maintain a warm, dark environment with temperatures around 70-85°F. Keep the medium moist but not waterlogged. Seeds typically germinate within 24-72 hours. Once the tap root appears, carefully transfer the seedling to a small pot or the final grow medium. Proper handling during this stage is crucial to avoid damaging the delicate root. Good air circulation and humidity control can also support healthy germination.
During the cannabis seedling stage, the infant cannabis plant emerges from the seed shell, establishing a tap-root that forms the final root network. The initial pair of embryonic cotyledon leaves emerge without serrated edges, providing initial photosynthesis. This stage lasts up to a week, during which seedlings require high humidity (65-70%) and moderate light intensity. Use a gentle light source, like fluorescent or LED lights, at 18-24 hours of light daily. Ensure a balanced nutrient solution with low nitrogen levels to avoid nutrient burn. Monitor for signs of overwatering or nutrient deficiencies, and maintain a stable temperature range of 70-80°F.
During the cannabis vegetative stage, the plant develops leaves, stems, branches, and roots but no buds. Indoor growers control the veg phase with an 18-24 hour light cycle, switching to 12/12 to initiate flowering. Typically, the veg period lasts 4-6 weeks for feminized seeds. Mother plants can stay in veg for years. Outdoor plants grow vegetatively during spring/summer due to long daylight hours, with bloom starting around August. Autoflowers use an 18/6 or 20/4 light cycle indoors, vegetating for about 4-5 weeks before automatically blooming. Proper nutrients and training techniques, like topping and low-stress training, can optimize plant structure and yield.
During the cannabis flowering phase, dramatic changes occur as the plant transitions to bud production. Pre-flowers indicate a female plant, and hormonal changes cause stretching. Trichome production increases, enhancing aroma and cannabinoid/terpene content. Buds swell and merge into long blooms. Bloom typically lasts 9-10 weeks for feminized strains. Some branches may bow under bud weight. Indoor feminized seeds start flowering with a 12-hour light cycle. Outdoors, flowering begins around August, varying by location and strain. Autoflowers start blooming automatically at 4-5 weeks old, regardless of light cycle. Maintain optimal environmental conditions and provide bloom-specific nutrients to support healthy flower development.
Harvest when milky trichomes start to turn amber, using breeder guidelines as a reference. Individual phenotypes and grow conditions affect the exact harvest time. Trim excess leaves post-harvest and dry buds for about a week, aiming to slowly release moisture while preserving terpenes. Drying should occur in a dark, well-ventilated space with 50% humidity and 60-70°F (15-21°C). Once dry, store buds in mason jars for curing. Open jars daily for the first week to release moisture, then less frequently. Proper curing enhances flavors and potency, with buds developing deeper colors and richer flavors after 1-2 months. Monitor for mold and adjust conditions as necessary.
Check out the Dutch Passion grow library for hundreds of articles on various aspects of cannabis cultivation. Some grow forums are also very helpful and supportive.
Do cannabis seeds contain THC?
Yes they do, but in such diminishingly low quantities (fractions of a percent) that there is no possibility of them being a cost-effective way of getting high. It’s only during the flowering phase that your cannabis plant reaches its maximum rates of THC production.
How long do cannabis seeds last?
A couple of years in the fridge. As fridge-stored seeds start to reach 5-10 years old the germination rates start to drop off significantly.
How to store cannabis seeds the right way?
Keep your seeds in their original packaging in a sealed, dry container in the fridge for maximum longevity. Seeds should last a couple of years before you start to notice gradually reducing germination rates.
What is Dutch Passion’s cannabis seeds germination rate?
Dutch Passion cannabis seeds typically have a germination rate of around 95%, provided they are fresh and stored under optimal conditions.
How long do cannabis seeds take to germinate?
Often within 2-3 days. But occasionally, soil-germinated seeds can take 1-2 weeks to appear above soil. Factors such as temperature, moisture, and seed quality can influence germination time.
What are feminized cannabis seeds?
Feminized seeds are specially bred to produce only female plants, which are preferred by growers for their bud-producing capabilities rich in cannabinoids like THC and CBD. Dutch Passion pioneered feminized seed technology, making it easier for growers to cultivate cannabis without the need to identify and remove male plants.
What are autoflowering cannabis seeds?
Autoflowering cannabis seeds automatically switch from the vegetative stage to the flowering stage based on the plant's age, not the light cycle. They typically start flowering around 4-5 weeks after germination and are ideal for growers seeking faster harvests and easier growth cycles.
How can you tell if a cannabis seed is viable?
Viable cannabis seeds are usually firm, dark brown or tan with a glossy finish, and free from cracks or damage. They may also have tiger stripes or speckles. Soft, green, or damaged seeds are less likely to germinate successfully.
What is the difference between indica, sativa, and hybrid seeds?
Indica seeds produce plants that are short and bushy with wide leaves, ideal for indoor growing. Sativa seeds grow taller plants with narrow leaves, suitable for outdoor or spacious indoor environments. Hybrid seeds are crossbred to combine traits of both indica and sativa, offering a balance of effects and growth characteristics.
Can cannabis seeds be shipped everywhere in the USA?
Dutch Passion legally ship cannabis seeds to all states apart from: Puerto Rico, Guam, S Virgin Islands, Northern Mariana Islands, American Samoa, Midway Atoll, Palmyra Atoll, Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Wake Island & Navassa Island.
