High Yield Cannabis Seeds

Choosing the right genetics can help growers obtain the biggest yields possible. Discover the four highest yielding strains of 2020 and keep your stash full. No grower wants their hard work and devotion to cannabis ruined by poor-yielding plants. Strain choice is essential to receive heavy, high-quality yields. Cannabis seeds for XXL yields. With a little effort and expertise, these strains deliver the heaviest harvests and the largest buds.

Here Are 4 Cannabis Strains That Produce Massive Yields

Lighting, nutrients and correct watering regime all help to maximise yields. However, selecting the right strain can make the differences between mediocre and massive harvests. Explore four biggest producers of 2020.

Cannabis cultivation, cannabis history, cannabis culture

Take your cannabis yields to another level with our four top strains for 2020.

Nothing beats harvesting sticky aromatic buds at the end of a grow. At that moment, all of your hard work and dedication manifests into picking the fruits of your labour. The more buds you snip from their branches, the higher the level of satisfaction.

Full-spectrum nutrients, powerful lights and perfect humidity all contribute towards better yields. However, the genetic potential of each plant also determines the size of the harvest. Some varieties are small, stealthy, and provide less productive canopies. In contrast, breeders have developed highly productive cultivars that can keep your stash jars full all year round.

Below, you’ll discover four of the highest yielding strains of 2020. All of these cultivars boast an abundance of bud sites and respond exceptionally well to training techniques. Before we take a look, let’s cover some common questions about improving cannabis yields.

Sativas or Indicas—Which Yield More?

In general, sativa-dominant cannabis strains tend to provide heavier yields. These varieties reach much taller heights—sometimes resembling small trees—and produce bigger canopies, with more bud sites.

How Do Growers Achieve Large Yields?

Genetics underpin the true potential of every strain. After selecting a cultivar that promises to produce large yields, growers need to ensure they provide powerful lighting, nutrient-rich soil, and adequate amounts of water. Training techniques can also significantly improve output.

How Is Cannabis Yield Measured?

The same strain can produce dramatically different results depending on pot size, nutrient availability and the growing environment. The estimated yield of each cannabis strain derives from an average calculated from different growers.

How Does Veg Time Affect Yields?

Plants aim to grow as big as possible in their vegetative phase. Bigger plants possess more branches and bud sites, potentially meaning bigger yields. Conditions permitting, the longer your veg time, the more likely you’ll have a large harvest.

The Four Biggest Yielding Cannabis Strains of 2020

Without further ado, here are our top cannabis strain selections for 2020, for those wanting high-yielding plants that maximise productivity and output.

1. Green Gelato

Green Gelato produces compact and nugget-like buds. Although her flowers are relatively small, she pumps them out in massive quantities. This highly productive strain features 55% indica and 45% sativa genetics. Despite that indica-dominance, she still produces yields that far exceed some pure sativa varieties.

Our breeders at Royal Queen Seeds developed this strain with yield in mind. After some experimentation, they settled on parent strains Sunset Sherbet and Thin Mint Girl Scout Cookies to complete the task at hand. After several generations of crosses, they landed on a stable phenotype that churned out large harvests every single time.

Green Gelato consistently delivers impressive results, both indoors and outdoors. Indoor plants reach a medium height of 80–120cm and do well even in small grow tents. Prepare to harvest a rewarding yield of up to 700g/m² after a flowering time of 8–10 weeks.

Outdoor plants can reach up to 200cm when grown in large containers and raised beds. These tall plants are capable of producing up to 800g per plant. We recommend using stakes to prevent her bountiful branches from buckling. These plants will mature just before the end of the season, during early October.

Her aesthetic flowers boast shades of dark green, deep purple, and orange. These resinous blossoms feature a massive THC content of 27% and a medley of sweet, citrusy, and earthy terpenes. Prepare for a stimulating, energetic, and long-lasting experience.

Green Gelato
Green Gelato
Sunset Sherbet x Thin Mint Girl Scout Cookies
500 – 700 gr/m²
80 – 120 cm
8 – 10 weeks
THC: 27%
Sativa 45% Indica 55%
800 gr/plant
150 – 200 cm
Early October
Clear, Physically Relaxing

2. Amnesia Haze

Amnesia Haze: a name known all over the cannabis world. Chances are you’ve seen this strain displayed on the shelves in cannabis dispensaries and Dutch coffeeshops. Smokers from all generations continuously seek out this cultivar for its motivating high and delicious flavours. However, she rose to stardom also thanks to her reliable productivity.

Haze genetics came to life on the West Coast of the United States—a renown breeding hot spot. After they reached the European cannabis mecca, Holland, breeders tinkered with these legendary strains. Eventually, Amnesia Haze emerged as a promising hybrid. She features 70% sativa genetics and a tall and majestic morphology.

Indoor plants peak at 140cm, although training techniques, such as LST can keep them closer to the ground, at around 80cm. Under good quality lights and with a solid feeding regimen, plants will produce up to 650g/m² after a flowering time of 10–11 weeks. Outdoor plants can tower at the height of 210cm and produce a huge yield of 700g per plant, ready to crop during late October.

Amnesia Haze boasts tall and thick buds, decorated with protruding sugar leaves and light orange pistils. These tantalising buds exude plenty of resin with a 22% THC content and sweet and fruity terpenes. Her cerebral high makes a great wake and bake option.

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Amnesia Haze
Amnesia Haze
Original Amnesia Haze
600 – 650 gr/m2
80 – 140 cm
10 – 11 weeks
THC: 22%
Sativa 70% Indica 30%
650 – 700 gr/plant
175 – 210 cm
Late October
Long Lasting , Physically Relaxing, Powerful

3. Shogun

This mighty sativa will plunge you into the mindset of a shogun—crystal clear cognition, rational and philosophical thinking, and unrivalled motivation. Shogun ticks all of the boxes of a truly great cannabis variety. She boasts high THC levels, incredible taste, and a yield that will keep you very busy come harvest time.

Our expert breeders developed this cultivar using two legendary cannabis varieties: Amnesia Haze and Gorilla Glue 4. Both of these strains are prized for their powerful effects and huge output. Shogun inherited all of their sought-after traits and emerged with 70% sativa and 30% indica genetics.

She grows tall and proud, with a vast canopy loaded with glistening flowers. Indoor plants peak at 140cm and are suited to large grow tents with strong lighting. With her basic needs met, she’ll easily produce 600g/m² after a flowering time of 9–11 weeks. Grown outdoors, she’ll surge to a height of 190cm and pump out up to 750g per plant by the end of October.

Her dark green, frosty flowers produce 25% THC, medium levels of CBD, and earthy and piney terpenes. Enjoy her stimulating and motivating high throughout the day to accomplish all of your goals with ease.

Amnesia Haze x Gorilla Glue 4
550 – 600 gr/m2
90 – 140 cm
9 – 11 weeks
THC: 25%
Sativa 70% Indica 30%
650 – 750 gr/plant
150 – 190 cm
Late October
Calming, Clear, Laughter, Uplifting

4. Skunk XL

It doesn’t take a genius to realise where Skunk XL got her name from. Simply take this strain to the end of her grow cycle to find out. This fascinating spin on Skunk genetics combines the sensations of the original strain with enhanced yields.

Skunk genetics descend from an international mix of landrace strains—Colombian, Mexican, and Afghan—and serve as building blocks to hundreds of modern cultivars. Our talented breeders crossed them with Afghan genetics to ramp up the productivity of this quintessential sativa. The progeny emerged with a perfectly even split of 50% sativa and 50% indica genetics.

Although her yields tell a different story, Skunk XL maintains a relevantly small size. Indoor plants reach 60–100cm and can be grown in small grow tents and boxes to keep things on the down-low. They’ll throw out an impressive up to 650g/m² after a brief flowering time of 7–8 weeks. Outdoor specimens grow to taller heights of 160–200cm and produce up to 675g/plant, ready for harvest in October.

Skunk XL’s balanced genetic profile exerts a high that relaxes the body while brightening up the mind. THC levels of 17% and medium quantities of CBD keep things mellow and easy to handle. Potent flavours of sweetness and earthiness make every hit a treat.

Top 10 High Yielding Feminized Cannabis Strains

Just by picking the right strain, yields can be improved dramatically. All the research, preparation, and cannabis care cannot outweigh the importance of choosing strains with proven genetics.

As a grower, getting the most out of your beloved cannabis plant can be a labour of love. While numerous techniques employed during the seedling, vegetative, and flowering stages can help improve final yields, one of the most fundamental ways to boost production is to choose the “right” strain from the get-go. By selecting strains that are genetically likely to produce significant yields, you are already half of the way to cropping a hefty harvest. Detailed below are 10 strains to pick when aiming for robust yields. Although these are not the absolute highest-yielding strains on earth, they sit well above the average when it comes to photoperiod cultivars. Those looking for high-yielding autoflowering varieties should check out this blog for more information.


500–700m² indoor yield – 800g/plant outdoor yield

Our first contender Green Gelato comes bursting from the ground with some impressive stats. Much like the premium Italian confection, Green Gelato carries the same hallmarks of quality and craftsmanship. Those choosing to grow outdoors will be rewarded with dense, small to medium clusters of dank buds. Given the correct training and pruning, heights of 120cm indoors and 200cm outdoors can be achieved. The most important aspect, the yields, are impressive too. With the right light intensity and schedule, 800g/plant can be attained outdoors. The plant’s abundance of weed is matched only by its THC content in excess of 25%.


300–400m² indoor yield – 900g/plant outdoor yield

A Hulk-smash hit with cannabis enthusiasts, the success of Bruce Banner 3 has led novice growers to attempt countless imitations. Reassuringly, when you get hold of the real deal, the difference is night and day. This aptly titled strain gets its name from the fluorescent green buds she produces, not to mention her sensationally potent effects. Not overly challenging to grow, Bruce Banner 3 is still better-suited to a more experienced grower; although, those up to the challenge will be rewarded with compact, spiky nugs and a thick layer of frosty resin. Utilising a ScrOG, she excels indoors, offering bountiful yields of 400m². Outdoor yields can reach staggering proportions of 900g/plant.

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300–400m² indoor yield – 1000g/plant outdoor yield

Delicious Candy could almost be classed as a freak of nature. This particular strain is the “early version”, meaning the flowering phase is an astonishingly short 5–6 weeks. With such a short bloom period, the natural expectation is a decrease in yield or quality—neither of which is true in this instance. Instead, a mind-blowing return of up to 1000g/plant is possible when grown outdoors. How can such impressive yields be achieved? Fortunately, with relative ease. Careful support will be required so that the branches don’t bow under the excessive weight of the buds, along with plentiful light exposure to optimise productivity.


500m² indoor yield – 1000g/plant outdoor yield

Peach Puree CBD features large yields, with an equally impressive CBD content. Producing a THC:CBD ratio of 1:2 makes her the preferable choice for those looking to medicate with cannabis. Alluring aromas of peach and citrus blend for an incredibly enjoyable growing and smoking experience. Enough about the chemical profile of this strain; what we really want to know is does the boosted CBD content equate to lower yields? The answer, no. Similar to Delicious Candy, outdoor yields can reach 1000g/plant, while indoors yields continue to impress. Expect up to 500m².


500m² indoor yield – 1000g/plant outdoor yield

Just as the name implies, Money Maker is a productive and vigorous grower. Short and bushy in nature, its compact structure should not be mistaken for a decrease in buds, either in size or quality. Adequate support will be needed to ensure the branches don’t break under the stress of carrying the liberal buds, as she proves to be another exceptional choice for outdoor growing. The benchmark of 1000g/plant continues with equally excellent indoor yields. Given the high calyx-to-leaf ratio, post-harvest trimming is significantly reduced, a godsend for commercial growers.


700m² indoor yield – 1200g/plant outdoor yield

As the list continues, so too does the one-upmanship of these strains. Growers are often off-put by the extended flowering period of Neville’s Haze, which is around 14 weeks. Just as the saying goes, good things come to those who wait. This haul is well worth the wait. She boasts the most impressive indoor yield of the all the strains featured here, but venturing outdoors is where Neville really shines shines. Growing relatively tall, outdoor yields will make your eyes pop with up to 1.2kg per plant. It’s obvious to see why growers adore this strain, despite the patience necessary to make it to harvest.


550g/m² indoor yield – 1300g/plant outdoor

OG Lemon Bilbo is the result of combining OG Kush Lemon Larry with an Afghan variety. The cultivar is a relatively short and stocky plant, but provides some absolutely huge yields. Taking 9–10 weeks to flower, the strain also requires very little in the way of maintenance, flourishing with ease. Those looking to control things even further can opt for SOG and ScrOG to maximise yields. Speaking of which, growers can anticipate a massive return of around 1300g/plant when grown in the best possible conditions outdoors.


550g/m² indoor yield – 800g/plant outdoor yield

Known as “The Beast” in some cannabis circles, Somango 47 is proof that great things come in small packages. Don’t be fooled by her compact size; this is a strain that stands shoulder to shoulder with some monster cultivars in terms of yields. This indica-dominant cultivar is the result of pairing the original Somango with Critical 47. Taking 9–10 weeks to flower, she’s a great choice for experienced and novice growers alike. A colourful plant showcasing fantastic purple and red hues, Somango 47 is practically irresistible. And coupled with a harvest of up to 800g/plant outside, she belongs in any garden or greenhouse!


500–600m² indoor yield – 2000g/plant outdoor yield

Joy and delight for first-time growers – Lemon OG Candy’s ease of growth is matched only by her glorious heritage. The blend of Super Lemon OG and the legendary Amnesia Haze has created a flavoursome strain with a thirst for growth. Pungent buds give some indication as to the sheer quality you can expect. An average flowering time of 8–9 weeks rewards with sticky buds, glistening with an abundance of trichomes. Her outdoor growth is indicative of her powerhouse nature, with a whopping 2000g/plant well within reach. Being sativa-dominant, smokers can expect a mainly cerebral high.


600m² indoor yield – 1000g/plant outdoor yield

Our final entry is a pure indica strain that goes by the name Eleven Roses. Not to be discounted on account of being last on the list, Eleven Roses has a taste for the finer things in life, preferring to be grown indoors. Her love for being pampered is rewarded though, with a stunning THC content of 24%. This works in unison with the expected 600m² indoor yield. Not only is that a substantial amount of weed to receive, it is incredibly strong to boot. That’s not to say she won’t grow well outdoors, as careful maintenance will provide growers with anything from 1000g–2000g/plant, although the latter requires near-perfect conditions.

Say “hi” to high-yielding cannabis

From compact indicas to skyscraping sativas, as you can see, there’s plenty on offer when it comes to finding a strain that will yield some huge harvests. Whether you’re short on space or have lots to fill, there’s genuinely a strain out there to suit all preferences and settings. No longer do you have to settle for less; high-quality, high-yielding strains exist, and they’re available to grow right now!

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Cannabis seeds for XXL yields

Cannabis seed strains in this category will deliver the very highest yields. In the hands of growers with a little expertise who are prepared to spend the extra few days and invest the extra attention that these seed varieties require to really give their best results, they will produce truly gargantuan amounts of cannabis.

Why should I grow XXL Yielding cannabis seeds?

This category has been collated from the cannabis seed varieties offered by Sensi Seeds and White Label Seed Company that are tried, tested and renowned for producing the very highest yields when grown under the same conditions as other strains.


Cannabis seed strains in this category will deliver the very highest yields. In the hands of growers with a little expertise who are prepared to spend the extra few days and invest the extra attention that these seed varieties require to really give their best results, they will produce truly gargantuan amounts of cannabis.

Why should I grow XXL Yielding cannabis seeds?

This category has been collated from the cannabis seed varieties offered by Sensi Seeds and White Label Seed Company that are tried, tested and renowned for producing the very highest yields when grown under the same conditions as other strains. If your main priority is the size of your harvest (but of course you don’t want to sacrifice flavour or potency – there is little point in having giant amounts of buds that are not effective or enjoyable!) then this selection will help you choose which cannabis seeds are best for your needs.

There are various different methods of maximizing the yield from a crop of cannabis plants, depending on what sort of grow space you are working with and what your level of experience is. Examples vary from Sea of Green and Screen of Green, generally utilized by those with a low-ceilinged indoor grow space, to outdoor gardening in climates with long hot summers where plants can grow to enormous sizes. The key to a successful XXL yield, however, lies in choosing the best genetics, and that is where this category comes in. Grow techniques can only maximise the potential of a cannabis type, so for truly gigantic harvests, you need a strain that has been bred for that result.

Choosing the right cannabis seeds for the highest yields

So, you’ve decided that your main priority is getting the largest possible harvest of buds and you know that your initial step is choosing the best genetics. Within this category, you will find a pleasing variety of different cannabis types that fulfil this criteriona, so you are not restricted to just indica or indica-dominant hybrids, which are the types that most people think of as being the typical queens of the crop when it comes to the highest yields. Sativa lovers can take advantage of Fruity Juice and of course the legendary NL #5 x Haze, both of which will reward growers with massive amounts of bud for a soaring, powerful high.

Although Sensi Seeds recommends that growers acquire some experience with rearing cannabis before cultivating most of these XXL yielding breeds in order to get the very best out of them, there are also some strains in this cannabis seed category that can be grown by beginners. And these are by no means lesser types, nor has any compromise been made on their quality or strength. In fact, they are world-famous: White Widow and Early Skunk are two of the varieties that Sensi Seeds has selected as being ideal cannabis seeds for beginners looking for the biggest harvests they can obtain at the start of their cultivation careers!

XXL yielding cannabis strain characteristics

What defines an XXL yielding strain? Firstly and most obviously, its potential to produce the heaviest harvest possible. This has been the goal in mind for the breeding projects that have produced each of the strains in this section, to maximize the weight and volume of the final result. Just as crucially, the goal of retaining all the flavours and effects that would make these monster harvests worth having had to be retained. And for both Sensi Seeds and White Label, it has been vitally important to create very high yielding strains with distinctly different characteristics, giving those who need supersized crops a wide variety to choose from.

In terms of cultivation parameters, cannabis seeds in this category are not the fastest flowering, nor the very simplest to grow. This is simply because to produce truly gigantic buds and harvests, extra time is needed to let the plants fully develop. In turn, during their last stages of development, they will also need extra care. Cannabis types with sativa growth structures especially will require extra support, either propped up from below or suspended from above, to prevent the branches splitting and breaking under the weight of the huge buds. Indica-dominant plants, especially those growing indoors, will need extra ventilation to deter bud-rot, as their intensely dense colas can be at risk during the last few weeks of flowering. Giving your plants this extra care and attention will enable you to reap the rewards when you harvest your very own XXL crop!