Cannabis seed collection

Cannabis Seeds

Welcome to Seed-city.com, one of the biggest marijuana seed banks online in 2022! Find super rare genetics from weed breeders all over the world. Also learn a lot about the cannabis seeds while you’re here.

Seed City was most recently updated on the 03 Jun 2022, as we are constantly and consistently dedicated to bringing you the best quality cannabis seeds ever, at the lowest prices available online! Here at Seed City, we are retailers of the finest cannabis seeds and marijuana seeds from all over the world! Operating since 2010, we have a wealth of fantastic experience in shipping marijuana seeds from the best cannabis breeders in the world, directly to you, the cannabis collector and connoisseur. If you are looking to buy cannabis seeds then you are in the right place as there is no finer cannabis seed shop than Seed City!

We Sell Pot Seeds For Souvenir And Collectible Purposes Only

It’s important to note that we sell marijuana seeds as intended for Collectible and Souvenir purposes. Do not worry, all of the marijauna seeds for sale are from reputable breeders. We have one of the biggest cannabis seed banks online and include breeders from newly legalized states. Also find legendary well known marijuana breeders that have established themselves with huge followings online. We take pride in the vast collection of pot seeds we have gathered in the last decade.

It’s not uncommon to find pot seeds for sale as souvenirs all throughout amsterdam. We save you a trip from having to make a trip to find your favorite weed seeds. Find an impressive amount of pot seeds from Amsterdam in our cannabis seed bank.These can make the best gift for any cannabis lover friend you might have no matter where you are in the world. We keep the seeds in their original packaging from their breeders, this ensures your getting an authentic product.

Buy Regular Cannabis Seeds

Are you looking for regular cannabis seeds for sale? Whilst regular seeds have been around quite literally forever, they have become a little unpopular in recent years due to the influx of interest in autoflowering and feminised seeds. Whilst there is not quite the same enthusiasm towards these as there perhaps once was, Seed City is always very proud to offer any regular cannabis strain that is made available to us. Seed City is all about potential and of all the seeds we sell, this can be most found in the range of regular strains we sell.

Autoflower Cannabis Seeds

Let’s talk about autoflowering cannabis seeds, they are not your normal seed option. The autoflower marijuana seed type was bred to not rely on the change of light cycles. It can make a fun story when you show a friend an autoflower cannabis seed, and tell them why it’s more special than a regular pot seed. We try our best to have an autoflower weed seed of every strain. Simply search for your strain with the keyword auto to find the autoflower version of it.

Buy autoflower marijuana seeds of your favorite strain with the option of different breeders most of the time. These seeds have the genetics of speed on their side, and have a much faster life cycle compared to any others. The origin of autoflower seeds are from crossing a strain with a cannabis ruderalis type. Another nice trait of the Autoflower weed seeds is they contain higher CBD content than others.

We have many popular autoflower cannabis seeds from other seed banks available for sale too. So, in case you ever find a strain on another seed bank and it’s sold out, there might be a chance we have it for sale. Take a look at the best autoflower cannabis seeds in 2020 list we made last year and continue to update.

Feminized Cannabis Seeds

What on earth is a feminized cannabis seed you might be thinking? It simply means it’s a pot seed that’s been bred to provide a female plant. We have many feminized seeds available of popular and trending strains. If you’re looking for a feminized seed, the filter option is available via seed type. We currently have close to 5,000 feminized seeds for sale, and 2,000 regular seeds.

Best Feminised Cannabis Seeds

There really are too many feminized seeds in our seed bank, but we have made a list of recommendations in our blog. Check out our list of the best feminized Sativa seeds in 2020. Another recommendation is buying a variety pack of feminized seeds. There isn’t any way to identify the type of a marijuana seed by physical characteristics. Instead, it’s buying from reputable cannabis seed brands that ensure you’re getting what you’re paying for.

Autoflower vs Non-Auto Feminized Seeds

Okay, so you’re debating about buying an autoflower or non-auto feminized seed but not sure on which is the best for you? Don’t worry, we will break it down for you so you can understand the differences a little bit more in depth. It’s all about the genetics of the marijuana seeds, and the rarer the more valuable. The Autoflower genetics are known for being resilient, and not sensitive to light. So which one is the better type of cannabis seed? We are going to have to recommend both types of weed seeds because of their many benefits. Check out the Wiki page on autoflower seeds for additional insight.

Where To Begin When Buying Marijuana Seeds Online?

There doesn’t need to be blind trust when buying from a cannabis seed bank online. It’s quite easy to find reviews on any place selling marijuana seeds online. Although we may have a retro style website, we provide top of the line customer support and only deal with breeders known for premium genetics. We want to encourage our visitors to do their own research on the experience we had with us on Trustpilot, and you will see that we’ve earned nothing less than a solid reputation online.

Find the latest trending genetics from all over the world in our incredibly large seed bank! It’s important to first learn about the various types of pot seeds available and their differences. We got some fun facts below about the types of cannabis seeds we have available for sale.

Marijuana Seed Banks

Imagine us as the one stop shop for all of your weed seeds needs. There is no other cannabis seed bank with as much positive reviews online from a third party review website. We take pride in offering suburb marijuana seeds and customer service.

We are frequently making the list of the best cannabis seed banks online. This is because of our incredible efforts to acquire the rarest marijuana genetics. We are always adding new pot seeds into our seed bank. Another reason why we continue to make it onto these top 10 seed bank lists is our customer service. We are actively responding to the vast amount of emails and Dm’s that come our way. We are also monitoring third party review websites and responding to any reviews positive or negative on there.

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California Seed Bank

In case you’re wondering if we have any weed seeds from the golden state California, the answer is yes. California has established themselves as a place where the best marijuana strains come from. This state has the perfect weather that’s optimal for producing dank. Some currently trending strains from California that we have include, Girl Scout Cookies, Blue Dream, and many others. Take a look at our top recommended Marijuana Seeds from California.

Colorado Seed Bank

We also have a vast amount of pot seeds that come from Colorado in our seed bank. Since this state legalized for recreational use it allowed for a lot of talented breeders to produce extraordinary weed genetics. We have many weed strains that are from Colorado, and made a list of some available in our seed bank.

Buy Cannabis Seeds Online

If getting the best cannabis seed deals is your priority, head on over to the Seed City Special Offers section, where we always have a huge range of marijuana seed sale items, meaning you can get your hands on great cannabis genetics for super low prices. And don’t forget that to buy cannabis seeds in bulk is a great way to save money, so visit our Seed City Bulk Cannabis Seeds section if you’re interested in buying wholesale marijuana seeds!

Of course, with all of these cannabis seed options, your seed collection will be growing at a rapid rate, so you’ll be needing something to keep them in pristine condition! Seed City’s Seed Storage Solutions offer everything you could need – trust us, we have a whole lot of experience in storing seeds and keeping them in great condition!

As well as bringing you a huge, high quality selection of cannabis seeds in 2019 from the best seed banks worldwide, Seed City also aims to provide the best customer service possible. With that thought in mind, we have added a ‘Have your Vote’ feature, which allows you to vote on next month’s Special Cannabis Seed Offers. You can also visit our Facebook Page or our onsite Prize Giveaway Centre to find details of our current cannabis seed prize giveaways!

Whether you have feedback, or any questions for us, our team would love to hear from you, so don’t hesitate to contact us! We hope you enjoy your visit to Seed City, the number one online marijuana seed shop, and we are confident you will find everything you are looking for this June!

Kush Seeds

Get real Kush seeds shipped fast and discreetly to you today! Or any other sought after strain from among the vast amount available for sale. We also have many feminized and autoflower seeds of the Kush strain. The OG kush seed is sought after by many collectors, and we have different crosses with it available too.

Hemp and CBD Seeds

Find many well known CBD strains available in our 420 seed bank. We have some of the most popular that include Charlotte’s web, and many more. The hemp seeds we do have available are very limited compared to the other types. We suggest taking a look at our best CBD seeds in 2020. Find high in CBD content strains that are in seed form available for sale. We have feminized CBD seeds and autoflowering types too.

Because we are as passionate about cannabis seeds as you are, we truly care about your experience – that’s why we are committed to being the fastest, cheapest, and easiest way to buy cannabis seeds. Whether you are looking for Regular cannabis seeds, Feminised cannabis seeds, or Autoflowering cannabis seeds, you’ll find them here at Seed City. Unlike many other marijuana seed retailers, we also offer the option to buy single cannabis seeds on every one of the seed varieties we sell, which means you can choose from over 5,000 cannabis seeds for your collection!

Seed City always guarantees:

The lowest prices: our price match means that we can offer the best cannabis seed prices available anywhere in the online market, so you’ll always be getting the best deal.

The best free seeds: we offer free cannabis seeds to every customer spending over £25! And guess what? You can choose your own free cannabis seeds from our large selection of branded seeds.

The fastest shipping possible: our worldwide delivery and stealth packaging guarantees secure and discreet shipping of your cannabis seeds, directly to your door.

If you need help with which weed seeds to choose from our massive range, you’ll love our new Seed City Seed Selector feature, which we can proudly state, as of today, the 03 Jun 2022, is the most in-depth marijuana strain categorisation tool online. This allows you to search based on Price, Breeder, Seed Type, Flowering Period, Yield, Strength, and many other options! There’s even a Cup Winners section if you’re looking for Cannabis Cup Winners! For information on how cannabis strains are categorised check out the Seed Guide.

Preserving Cannabis Genetics: How to Collect and Store Seeds and Pollen

Sometimes a grower has to move on from a certain strain. Maybe you’ve been growing the same strain for a long time and it no longer makes as much money as it used to, or maybe you just want to mix it up and start growing something else and don’t have the space for it.

It can be bittersweet saying goodbye to old genetics, but sometimes it’s unavoidable. You can take clones or keep a mother plant, but those aren’t ideal because they require a lot of care and maintenance, especially if they aren’t producing flower.

Fortunately, preserving genetics for long-term storage is easy and will save time, money, and space in the long run. Through seed and pollen collection, you can hang onto those genetics that you can’t fully get rid of and safely store them for future use.

The Benefits of Long-Term Storage

Cannabis genetics are often sourced from external companies and organizations such as nurseries and seed banks. For the individual grower, saving seeds and pollen removes this reliance on external companies. This is especially true with pollen, as very few (if any) companies offer pollen to the public.

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Saving space is a big reason to consider long-term storage of seeds and pollen. Mother plants lay dormant in a vegetative state and take up lots of space. Maintaining this extra space is time-consuming and takes extra resources like water, soil, nutrients, light, and other costly elements, all for something that doesn’t produce flower. Even keeping clones of an old strain around will take up space and resources.

A grower or breeder can also freeze the progress of a breeding project for months or years without losing any of the long, hard work. Endeavors such as phenotype hunting and maintaining desired mothers for breeding and cloning can all be saved for later through genetic preservation. This process is like backing up work on a hard drive.

How to Collect Seeds

Cannabis is for the most part dioecious, meaning that the male and female reproductive organs exist on two separate plants (although hermaphroditic plants do occur). It is also a wind-pollinated plant, so pollen must be transferred from a male stamen to a female pistil via the air in order for pollination to occur and seeds to form.

A female cannabis plant that has received pollen from a male will produce many seeds over the course of its maturation cycle. Upon senescence, when the female plant is fully mature and ready for harvest, its seeds will be ready for stratification and collection.

To collect seeds, it’s important to wait until they are fully mature and ready for harvest. Cannabis with seeds takes longer to mature than cannabis that only produces flower.

To tell if a seed is mature, take a look at its shape and color. Premature seeds will be small and light in color, taking on a beige hue. Fully mature cannabis seeds are more full in shape and size and have a much darker brown hue, sometimes accented by black tiger stripes.

Deseeding cannabis can be done by hand or machine. This process typically takes place after the plant has been dried for one to two weeks after harvest. This way, seeds will have reached their maximum maturity and plant material will be brittle enough to break apart with minimal effort.

When collecting seed by hand, use a fine screen to help catch trichomes that will break off during the process. This material is valuable and it would be a shame to waste.

To release the seeds, simply break up the dried buds over a screen and they will fall out. You can release the seeds en masse by rubbing the flower between your fingers and lightly breaking it apart.

Separate or sift seeds over the screen to remove any unwanted plant matter from the seeds themselves. Brush off the seeds—they should be completely free of any remaining plant material such as leaves, stem, or trichomes, as these elements put seeds at a higher risk for contamination and spoilage during long-term storage.

Collecting Pollen

Male cannabis plants will produce pollen several weeks into their flowering cycle. Once their pollen sacs have opened up and released, the plant will begin to senesce and eventually die. It is important to collect pollen right as the sacs are beginning to open up, as this is the time pollen is most viable.

The best way to harvest pollen for storage is to remove an entire male flower cluster and place it in a sealed storage container for several days. After the cluster has dried, place it over a micron screen with parchment or wax paper underneath, and give it a light shake. This will allow the pollen to separate from any remaining plant matter and fall through the screen and onto the wax paper.

Moisture is a death sentence for pollen viability. Because of this, many breeders opt to mix flour into their pollen at a ratio of 4:1 (flour to pollen) when storing it long-term. This additional step will help keep pollen dry for a longer period of time.

Seed and Pollen Storage

Long-term storage requirements for seeds and pollen are similar. Both require cool, dark, dry, and oxygen-deprived environments for optimal preservation.

When storing seeds, place them in an air-sealed container that doesn’t have any light leaks. Film canisters, medicine bottles (non-translucent), and any sealable storage jar will work fine. The idea is to reduce the amount of oxygen present in the storage space as much as possible. You can also add uncooked rice to the storage container, which acts as an absorbent, to reduce moisture content.

For a cool environment, store seeds in either the refrigerator or freezer. Seeds need a consistent temperature without fluctuation to remain dormant long-term.

As mentioned above, the best way to reduce moisture in pollen is to mix it with flour. For long-term storage, it can be kept in a sealed vial or freezer bag. You can keep it in the refrigerator or freezer, though for optimal long-term storage, the colder the better.

The Shelf Life of Seeds and Pollen

You can expect cannabis seeds that have been sealed and properly stored to last for several years, and in many cases, longer. Seeds may be dormant, but they are still alive. Over enough time, they will lose their viability.

It’s important to continually practice germination testing to be sure your stored seeds haven’t lost all viability. To test this, periodically plant a seed and document its ability to germinate.

Fresh seeds should have a germination rate close to a 100%, whereas older seeds will see a significant drop off over time in their ability to germinate.

Out in the open, pollen may be viable for one or two weeks under normal conditions. However, when frozen and sealed, it can last up to a year and even longer. Pollen is more unstable than seed and even under the most optimal conditions, it isn’t expected to have as long of a shelf life.

For both seeds and pollen that have been frozen long-term, it’s important to avoid defrosting until they are ready to be used. Fluctuations in temperature and moisture content will quickly destroy their viability, so maintain a steady temperature for as long as possible. Warming and freezing multiple times isn’t good.

When it comes time to use frozen seeds, remove them from their container and let them sit out on a dry surface for several hours. Letting the seeds reach room temperature will help ensure a successful germination.

Pollen should also be placed at room temperature before using. Since pollen can be much messier to handle, it’s best to carefully transfer a sample from its long-term storage container to a fresh container before using it to pollinate a plant. This way, you don’t have to use all of the pollen and saved pollen can go back in the freezer with minimal exposure to warm air.

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The Importance of Collecting and Harvesting Cannabis Seeds

T here was a time in our not-too-recent history when a sack of weed almost always included seeds. However, as cannabis cultivation evolved, so did the demand for sensimilla, or high-quality, seedless cannabis. Breeders not only began developing their own customized strains, they also started specializing in the cultivation of very special cannabis seeds. These seeds are used in both the breeding process and the wide-spread distribution of the carefully created strain itself.

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The Role of Seeds in the Breeding Process

The process of breeding the perfect strain requires a controlled production of seeds. Breeders must force their favorite plants to produce pollen and then use it to pollinate other favorite strains, thus creating “cross-breeds” of their two selected parents. Note that this process is not haphazard like the seeds one might find in a poorly-controlled outside marijuana grow – cannabis seed cultivation is a precise process that requires controlled, sanitary environments that are thoroughly sealed to prevent outside dander from getting in.

The plants can “veg” here, or continue their vegetative growth phase if trying to increase their size before seed production begins, but it’s not necessary. Once the plants are large enough, they are put into a flowering light cycle of 12 hours light and 12 hours of complete darkness.

Within a few weeks, the male will produce pollen sacks which will soon burst and get carried off into the air to pollinate the females. The females will now produce seeds which may continue to be used in the breeding process or harvested and sold to the public.

For the purpose of seed production, only around 20 females are recommended per male. However, a single male can realistically pollinate hundreds of females, hence the importance of a tightly sealed environment during the seed production process.

Natural Cannabis Seed Production

Cannabis is an amazingly resilient plant and doesn’t require male pollination to produce seeds. Evolution has bestowed upon the cannabis plant an amazing ability to self-pollinate when there are no males around to do it for her. Whether stressed or old (for example, a female cannabis plant that is not harvested before her prime), if a female senses an environment that is not conducive to long-term growth, she will produce seeds in hopes that her legacy will continue.

This is how feminized cannabis seeds are produced. Breeders will carefully stress a healthy female plant to “trick” her into thinking her life or safety is in danger.

One common method is to stress the female by applying solutions like colloidal silver or silver nitrate generously onto the leaves when she first enters the flower light cycle. Within 3-4 weeks, male sex organs will appear on the nodes of the female plant. Please note, applying these stress-inducing solutions to plants renders them unsmokable. The particulate cannot be washed off thoroughly because it settles deep into the surface of the plant. This method is for seed production only.

Another method is to simply let a healthy female age. If she grows past maturation, she will produce male “banana” pollen sacks without any male chromosomes. Though she may look like a hermaphroditic plant at this point (one containing the chromosomes of both male and female), the pollen she produces will contain only XX chromosomes and therefore cannot pass the Y (male) chromosome down to its heirs. Pollen collected in this way is then used to pollinate another female which will then produce female-only seeds.

How to Collect Cannabis Seeds

Though many grow ops aim to do away with seeds to grow fine sensimilla instead, sometimes breeders want seeds. Whether to grow their own crops or to sell to a demanding public, cannabis seed cultivators have their goals set on producing healthy, happy seeds in lieu of big, beautiful buds.

Seed crops are harvested when the seeds are plump and dark, often with a tiger stripe appearance (around six to eight weeks into flowering).

After harvesting, the bud is dried and the seeds are collected. Small-scale seed collection is done by simply crumbling the cannabis flower and collecting the seeds that fall out (this video by Johnnys Green Extractions offers a clever way to separate seeds from flower using an old vinyl record cover).

Commercial seed collection usually involves special machines that crush dried flower then pass the trim and seeds into separate bins. After seeds are collected, they’re stored in opaque, air-tight containers to prevent them from rotting or sprouting prematurely.

Conclusion

Though cannabis flower is usually cultivated to be seedless, sometimes the seeds are the whole point. Breeders pay special attention to the pollination, harvest time, and drying process when growing cannabis specifically for the seeds to improve the likelihood of a successful harvest.

Frequently Asked Questions

How are Feminized Seeds Made?

Feminized seeds are made by inducing a female plant to produce seeds without being pollinated by a male. These resulting seeds will not contain a male Y chromosome, only retaining the two X chromosomes from the female plant, and thus all of the resulting seeds will be female. This process can be done by stressing the plant, altering it with chemicals, or allowing it to grow past its harvesting time.

How Many Plants Can a Male Cannabis Plant Pollinate?

For professional production, it is recommended to pollinate about 20 female plants per male plant, but this is done to ensure tight oversight and quality control. In the wild, a single male plant can pollinate hundreds of female cannabis plants.

Can You Smoke Cannabis That Has Been Treated with Colloidal Silver?

No, colloidal silver is only used on plants raised for seeding purposes, it makes the plants that it is sprayed on unsmokable.

How are Strains Crossbred?

Cannabis breeders create crossbreeds by using the pollen of one strain to pollenate seeds with another strain. The resulting seeds will have genetics from both parents. These new plants are selected by their desirable traits and then stabilized through further breeding, typically using the genetics of their parent strains.

Have you ever harvested cannabis seeds? Share your experiences in the comments below!

Author

Abby is a writer and founder of Cannabis Content, a marketplace designed to connect cannabis writers and creatives with businesses in the industry. She has been a professional cannabis writer since 2014 and regularly contributes to publications such as PotGuide and M&F Talent. She is also the Content Director at Fortuna Hemp, America’s leading feminized hemp seed bank. Follow Abby on Facebook, Twitter, and Linkedin.