Bulk Cannabis Seeds: Best Sites for Quality Genetics and Deals

It’s time to start your own cannabis business, and we’re excited for you!

Whether your end goal for cannabis cultivation is to sell seeds, buds, or another product such as resins, you need premium cannabis seeds to get started.  

But which online seed vendors have bulk orders as an option, and which are the best?  

We’ve done hours of research for you to find the best stores to buy bulk seeds. Seed Supreme is our favorite, thanks to its personalized customer support and large catalog. 

Bulk Cannabis Seeds Vedors: First Look  

• Seed Supreme - Best overall (guaranteed germination)

• Homegrown Cannabis Co. - Best for autoflower seeds

• Royal Queen Seeds - Best for F1 hybrid strains

• Seedsman - Best for cannabis clones

• ILGM - Best for marijuana grow kits 

• Herbies - Best for feminized cannabis seeds

• DNA Genetics - Best for exotic strains

To buy marijuana seeds online in bulk, you have a wide range of options and great customer support. This includes guarantees and advice on cannabis cultivation. Out of several bulk seed banks, Seed Supreme's available product line and customer support made it the best option.       

Seed Supreme - Best Cannabis Seed Bank to Buy Bulk Seeds Overall

• Get advice on the best weed seeds for your region  

• Over 500 strains in the wholesale catalog 

• Provides advice on germination and growing large crops     

• You must fill out the wholesale inquiry form for custom bulk quotes

Seed Supreme has a reputation as one of the best options for high-quality genetics. With over 4,000 varieties of marijuana seeds and perks such as germination guarantees and free seeds for hobby growers, it’s a long-time favorite. 

Seed Supreme is well-known for its guarantees. If your seeds were damaged in transit or failed to sprout, you can provide evidence in exchange for replacements. This does not apply to free seeds, however. What’s more, you can return unopened seeds in 14 days if you change your mind. 

The exact prices for wholesale seeds are not listed, but orders do get cheaper with more seeds. For example, four Runtz Feminized cannabis seeds cost $55 ($13.75 per seed), but 25 cost $163 ($6.52 per seed). 

Seed Supreme offers germination guarantees on everything except for their free seeds. You may need to provide evidence that they failed to sprout. 

Seed Supreme boasts many positive reviews, including:  “Medical grower in Colorado since 2008 I have ordered 3 times for a total 8 strains from SS and every seed has germinated. All have had decent and some exceptional vigor, and all have been the strain advertised. Still growing and cloning an excellent Cindy 99 and an Acapulco Gold.” 

Seed Supreme is our favorite site to buy marijuana seeds online in bulk, thanks to its diverse product range and customer benefits. 

>>Check the best deals for bulk weed seeds here at Seed Supreme

Homegrown Cannabis Co. - Best for Autoflower Seeds

• Buy as little as 100 seeds

• Split your order 50/50 between two strains 

• Access the entire catalog 

• Tailors orders by your business size  

• Great shipping times on bulk orders

Homegrown Cannabis Co. is known for its expertise in cannabis breeding. After years of reselling other breeders’ products, they specialize in high-quality cannabis genetics from their own programs. 

Better yet, the seed bank offers tailored solutions for commercial growers, dispensaries, and head shops. 

You can choose any product from their catalog of over 500 autoflowering seeds and feminized cannabis seeds, alongside fast version seeds and regular seeds. These include originals such as Jedi Cookies and Baked Apple. 

Homegrown Cannabis Co. has satisfaction guarantees covering failed germination (with conditions), lost or stolen orders, and damaged marijuana seeds. 

You cannot see the wholesale prices, but the costs per seed drop dramatically on standard orders. While orders of eight seeds are around 37% cheaper than packs of four weed seeds, a package of 24 is 53% cheaper per seed. 

Homegrown Cannabis Co. has a 90-day germination guarantee on all seeds. However, you must provide photographic proof (with a date, such as on a newspaper or mobile phone) that you used an approved method. This can either be the wet paper towel or glass of water technique. 

Homegrown Cannabis Co. is a popular seed bank thanks to both its premium seeds and customer service: 

“I got my order in 4 days, everything was sealed and professionally packaged. Shipped from U.S. to U.S. no customs involved etc. Seeds were slightly pricier than some other vendors, but not by much, a small tradeoff for the insanely fast and hassle-free delivery…They sent full tracking info, and several follow up e-mails to ensure that delivery was made.”

Homegrown Cannabis Co. offers tailored solutions and over 500 different strains of marijuana seeds, including for small orders. 

>>Check the best deals for buying in bulk at Homegrown Cannabis Co. here

Royal Queen Seeds - Best for F1 Hybrid Strains

• Offers a variety of F1 hybrid and medical cannabis seeds.

• Premium ruderalis genetics ensure quality autoflowering strains.

• Worldwide presence since 2007.

• Highly rated with 4.7/5 from 36,000+ reviews

• Discounts of up to 25% sitewide.

Since its establishment in 2007, Royal Queen Seeds has become a trusted name in the cannabis industry. With headquarters in Amsterdam and an expanded presence in Barcelona, the company is celebrated for its high-quality genetics and exceptional customer service.

Royal Queen Seeds offers over 110 strains, including award-winning feminized seeds like Royal Gorilla, Amnesia Haze, and White Widow, as well as autoflowering options like Trainwreck and Granddaddy Purple. Their F1 hybrid seeds, such as Orion F1 and Apollo F1, are standout choices for growers seeking superior genetics.

While not the cheapest option, Royal Queen Seeds delivers excellent value, especially with frequent promotions, discounts, and free seeds with every order. Joining the Growers Club also provides additional perks like redeemable green coins and exclusive discounts.

Customer feedback highlights discreet shipping, high germination rates, and exceptional genetics. Many customers praise the company for its reliability and consistent quality. One customer mentions, “ Very happy with purchase have recommended to friends and will use again. Quick and discreet. Plenty of variety and great promotional offers worth taking.”

Royal Queen Seeds ships worldwide, offering both free standard shipping (7–15 business days) and expedited UPS options. Packages are discreetly delivered, and tracking is available for added convenience.

Royal Queen Seeds is the go-to choice for cultivators seeking premium F1 hybrid strains, a diverse seed catalog, and excellent customer benefits. With a longstanding reputation, a wide selection of award-winning strains, and top-notch customer service, Royal Queen Seeds continues to set itself apart as a leading cannabis seed bank.

>>Check the best prices for bulk cannabis seeds at Royal Queen Seeds

Seedsman - Best for Cannabis Clones

• Certificates of Analysis are available for all TigerOne products 

• Two seed bank divisions for different cannabis businesses 

• Over 150 brands are available at wholesale prices

• You need an account to view prices on bulk seeds

• Best for clones in bulk

Seedsman has two divisions, TigerOne and PharmaSeeds, that supply bulk orders of high-quality marijuana seeds. 

TigerOne is made for retail stores, whether they are physical or online. They source from professional cannabis enthusiasts globally to bring you the best of both popular and exclusive brands. 

PharmaSeeds is for licensed producers who need compliant, premium-quality cannabis genetics. Everything must be fully traceable, and growers must stick to the highest standards in plant health. 

To ensure the quality of your cannabis plant crop, its Phytolog allows you to receive the best genetics to suit your needs and goals.

TigerOne has a 14-day money-back guarantee for problems such as damaged seeds. There is also a refund policy for any reason.

Seedsman’s bulk marijuana seeds divisions do not show pricing unless you have an account. However, on their main site, prices fall from around $14 for one seed to around $7 each if you choose a pack of 10. 

We couldn’t find information on a germination guarantee at either the Tiger One or PharmaSeeds sites. However, both are extensively tested for seed quality first, especially PharmaSeeds. 

Customer reviews for Seedsman include: “So far very impressed.  Seeds came fast and with 3 strains I’ve had 100% germination so far. Already better than I had with ILGM seeds. Hopefully these babies continue to impress through the life cycle.”

Seedsman’s two partners provide high-quality seeds to a range of weed businesses, including licensed producers. 

>>Check the best deals for Seedsman here

ILGM - Best for Marijuana Grow Kits

• Provides a free Grow Bible and instructions on germination  

• Choose from any marijuana seeds in their range 

• Mix Packs can help beginners choose their favorite sets of seeds 

• Buy fertilizers and plant protectors 

ILGM has a great reputation for supporting new cannabis cultivators with their educational and nutritional resources. Besides being a reliable seed bank, you can find ebooks and blog articles on everything from germination to harvesting and curing your buds. 

ILGM offers wholesale prices for seed orders of at least $1,000. You use the general Contact form for orders between $1,000 and $5,000, and a specific wholesale form for anything that would total over $5,000. There is no separate list of seeds from their general catalog, either.  

ILGM offers both germination and shipping guarantees to ensure satisfaction with your order. Each delivery is tracked to ensure it arrives, and you can easily contact the seed bank if it’s unreasonably late. 

The exact prices you’ll pay depend on the seeds you choose. Blueberry Feminized, for example, costs $89 for five seeds, but this falls dramatically to $189 for 20 seeds. 

These prices are almost $18 and just over $9, respectively. You cannot see the exact wholesale prices, but it is possible to see how far costs drop with larger orders. 

ILGM provides 12-month germination guarantees on all orders. You will likely have to provide proof that you attempted to sprout the seeds correctly to qualify. 

ILGM boasts many positive reviews, including: “Have been buying from ILGM for 5 years now and have never been disappointed! One year I actually had a plant that grew so tall, I had to cut in half ! I got an unbelievable harvest! (pic deleted, unfortunately). This company helps you every step of the way and customer service is outstanding!!” 

ILGM is one of the best stores for buying high-quality cannabis seeds online in bulk because of its commitment to customer service, including education of new growers. 

>>Check the best deals for buying in bulk here at ILGM   

Herbies - Best for Feminized + Autoflowering Strains

• Divides its marijuana seeds into easy-to-navigate categories

• View prices before ordering larger packages 

• Includes many high-CBD strains 

Last but not least, Herbies Seeds has a user-friendly catalog that growers exploring new strains will likely appreciate. 

The Herbies USA site has 11 categories, including feminized seeds, auto-flowering seeds, high-CBD strains, high-yielding strains, and beginner-friendly seeds. This makes broadening your horizons much easier. 

They are also well-known for their free seeds with every order. Each $33.02 you spend grants you one free weed seed. 

Herbies Seeds replaces lost packages, plus those that have been damaged during transit. 

Herbies does not appear to offer wholesale pricing, but they do have visible pricing on packages up to 50 seeds. For example, CBD Amnesia costs $17 for just one seed, but a pack of 50 seeds costs $346.47, or just under $7 per seed. 

Herbies Seeds have germination guarantees on certain proportions of your order. For example, you can get your failed seeds replaced if nine from an order of 30 fail. Many customers have had great experiences with Herbies, including the author of this comment: 

“Herbies is the best quick shipping with great stealth even on the other side of the world, and the seed is always of incredible quality, and the bonus seeds just make it that much sweeter.

I’d highly recommend herbies to anyone. I’ll update with some photos once my plants are growing :)”

Herbies Seeds offers a user-friendly category, free seeds, and visible pricing. However, the orders you can make are much smaller compared to other seed banks. 

>>Check the best deals for Herbies Seeds here

DNA Genetics - Best for Exotic Seeds

• This seed bank has won over 200 awards 

• Supports hobby growers who just want a large stash 

• Unique flavors and effects 

• Fewer strains in inventory

DNA Genetics is well-known for its quality cannabis seeds with unusual flavors. 

For example, Chocolope feminized seeds have a delicious aroma of chocolate and coffee with a hint of pastry. It’s much like enjoying a mocha at a bakery, well, one that has won 10 awards. 

While this strain is energizing, DNA Cake autoflower seeds are deeply relaxing, and Banana Cake Fem is somewhere in the middle. 

Even better, DNA Genetics does not limit its wholesale program to commercial growers. Their Wholesale page includes both in its language, so you don’t have to worry about your crop being just a hobby. 

DNA Genetics allows you to request a refund within seven days for any reason. Damaged orders have a 14-day window. 

Marijuana seeds from DNA Genetics have a significant price cut with larger orders. Costs per seed can fall by half when you order a pack of 20 seeds compared to an order of just five. While we cannot see wholesale prices, these will likely be far cheaper.  

DNA Genetics offers a germination guarantee where you can replace any failed seeds with the same marijuana strains. 

With over 200 awards and counting under their belts, the breeders at DNA Genetics let their results speak for themselves. However, there are some negative reviews from around the web concerning customer service. 

DNA Genetics is well-known for its unusual stock of seeds for sale. To preserve and share the love, their wholesale program is open to a wide range of growers. 

>>Check the best deals for weed seeds here at DNA Genetics

What Are Bulk Cannabis Seeds?

Bulk cannabis seeds are large orders meant for professional cannabis growers and committed hobbyists. 

Whether you want to sell your seeds or produce buds or products such as resins, buying in bulk is best. This gives you access to much cheaper wholesale prices and improves your profit margin. 

They are typically sold in packages of 100 or more, but the minimum size varies. Some banks set their threshold for bulk orders by price, such as ILGM which has a minimum order of at least $1,000. 

The best online seed companies will offer support such as cultivation and seed selection advice, too. Seed Supreme can help you find the right strains for your local area and needs as a business. 

Types Of Bulk Cannabis Seeds

You can buy the same categories of marijuana seeds in bulk that are available for hobby growers, including autoflower and feminized seeds. 

Bulk Autoflower Seeds

Autoflowering seeds are genetically determined to flower at a set time. They are bred with Cannabis ruderalis genetics, which grows in harsh conditions and must take advantage of short growing seasons. 

Many people prefer autoflower seeds because they have shorter growing times and do not need you to plant them at a certain time or shorter daylight hours. Even better, autoflower seeds have inherited more robust characteristics, including high disease resistance. 

Bulk Feminized Seeds

Feminized weed seeds only grow female cannabis plants. Only female plants can produce the abundant, cannabinoid- and terpene-rich buds we all know and love. Male plants simply pollinate, and just one male can pollinate an entire grow room of female plants. 

Feminized seeds are made by giving mother plants colloidal silver to change their hormones so they make only female seeds. Many autoflowering cannabis seeds are also feminized. 

These are harder to breed, especially over several generations, but are less time-consuming. You don’t have to pull out male plants to destroy them or separate them into “breeding groups” with a few females.  

High THC Seeds

High-THC marijuana seeds are those with a THC content of at least 25%. The most top-notch seeds for potency, like Grandmommy Purple, can even reach 30-35% when grown in the right conditions. 

These are sometimes marketed as medical seeds, especially for people who need to use cannabis at night for their desired health effects. They are popular for pain, including in usually difficult to treat conditions, insomnia, and poor appetite. 

>>Check the best deals for bulk weed seeds here at Seed Supreme

The Benefits Of Buying Bulk Cannabis Seeds

Buying marijuana seeds online in bulk saves you time and money, as well as helping to protect the environment by reducing packaging. 

Cost Savings

Larger orders can cut the price per seed to a small fraction of what it is with smaller purchases. This helps you pass the savings on to your customers. 

Saves Travel Costs

Driving hours because you heard there were special offers on seeds for sale costs a lot of time and money. 

Buying in bulk from a reputable seed bank can be cheaper even if the cost per seed is higher, as you won’t be paying for gas and you will likely qualify for free shipping. 

Refrain From Shipping Charges

Top cannabis seed brands have free shipping for larger orders, or may not have any shipping charges at all. Shipping costs can dent your profit margins and add another layer of risk to buying your own marijuana seeds. 

If you’re buying larger packs of seeds, the total cost of your order will qualify for free shipping. 

Quality Control

Reputable seed vendors, such as Seed Supreme, always test the quality of breeders’ seeds before selling them to the public. This is what allows them to make promises such as germination guarantees. 

PharmaSeeds, a partner of Seedsman, takes this to the next level with their Genetics Recommendations Reports. These show you the best cannabis seed types for your growing environment and needs.  

Easy Customization

You should be able to buy different strains in your order to customize your crop and product line. 

Some seed brands, like the Homegrown Cannabis Co., allow you to have a 50/50 split between two seed types in a single order. Others have an order form where you can list any strains from their catalog. 

Minimizes Stash Shortage

Pre-buying seeds in bulk means that you won’t be caught short when you need weed the most. Whether you’re selling seeds or buds, higher-than-expected demand won’t be a problem if you can start a new crop sooner. 

Environment Benefits

Even if you are a hobby grower or give seeds and buds to friends and relatives for free, bulk orders cut your carbon footprint by extending the time between orders. They mean fewer rounds of shipping, saving transport emissions and costs. 

Reduced Packaging

Adding to the environmental benefits, a large order of 100 seeds needs far less packaging than, for example, eight orders of 12 seeds. 

Where to Buy Bulk Cannabis Seeds Online

You can expect to find a “Wholesale” tab in the top or bottom menu, where you can view your options. Wholesale orders will be more affordable than simply buying a few sets of larger packet sizes on the standard product pages. 

Most seed vendors allow you to buy high-quality marijuana seeds from their official website. Seedsman, however, links you to two partners. One is meant for supplying retail stores, the other is for licensed businesses. 

>>Check the best deals for bulk weed seeds here at Seed Supreme

How Bulk Cannabis Seeds Make You Feel

Buying cannabis seeds in bulk does not change the effects of the buds you grow. However, bulk orders are often only available for the more popular marijuana strains. 

You can expect to find the same range of weed seeds in terms of effect, potency, and flavors as you would with non-commercial purchases. 

For example, the Strawberry Cough feminized seeds for sale from Homegrown Cannabis Co. produce buds that uplift your mood, boost creativity, and energize your body. 

Gummi Bears auto-flowering cannabis seeds are an example of a more relaxing strain. However, it’s still a pleasant mood-lifter and won’t cause couch lock. 

How to Grow Bulk Cannabis Seeds

You can grow bulk marijuana seeds all at once, or start with a small portion until you find your feet or if you have little space. Whether you grow them inside or outside is your choice, too. It’s important to remember that outdoor plants can grow taller and have higher yields, but indoor grows give you complete climate control. 

Many marijuana seed banks recommend the wet paper towel method when germinating them. Here, you simply place the seeds on a wet paper towel and keep them in a dark, cool place for a few days. After they’ve sprouted, you can transfer them to soil. 

This is often the only method that qualifies you for germination guarantees, alongside the glass of water method. If you want to use the glass of water method, simply submerge the seeds in a shallow amount of water and plant them once they have noticeably sprouted. 

The exact nutrient, water, and soil requirements vary by strain. In general, it’s best to use organic nutrient support such as worm castings and to avoid adding nutrients when your cannabis plant crop is still in the seedling stage. We recommend using perlite to improve airflow and drainage through the soil, too. 

Most Productive Bulk Cannabis Seeds

The most popular bulk weed seeds are often the most productive. For example, Seed Supreme lists Bruce Banner Feminized as having a 30-ounce yield per square meter. 

Herbies Seeds lists Mimosa as one of its highest-yielding marijuana seeds. This strain can reach 1,500-2,100 grams per plant if you grow it outdoors. Moby Dick can produce 1,500-1,800 grams per plant outside. If your local climate supports it, we advise you to consider these strains. 

>>Check the best deals for bulk weed seeds here at Seed Supreme

Frequently Asked Questions

Here are common questions cannabis cultivators have when beginning the search for bulk weed seeds. 

What Is the Difference With Bulk Cannabis Seeds?

The only difference with bulk marijuana seeds is that they come in a larger order, typically for commercial use. They have lower prices per seed as a result. 

How Many Seeds Are in a Kilogram?

As they are very small, there are thousands of marijuana seeds in a kilogram. You will typically buy marijuana seeds by number or price, not weight. 

How Do You Ship Your Bulk Cannabis Seeds?

Cannabis seed banks usually ship their orders through major postal companies but with discreet shipping. This means plain packaging with no information about what you’ve ordered, and can include random objects to make the package appear “normal.” Despite legalization, this can still be necessary due to social stigma. 

Are Your Bulk Cannabis Seeds Good Quality?

To find out whether you’re looking at a trustworthy seed bank, search customer reviews on independent sites such as Kiyoh. 

If you personally know others who buy large orders of marijuana seeds, ask if they have bought from any of the seed banks above. 

What Is the Top Cannabis Company?

The top cannabis company varies by criteria, but global leaders like Canopy Growth, Tilray Brands, and Curaleaf are often recognized for their market dominance, innovation, and product quality.

Why Is Cannabis So Cheap in Canada?

Cannabis is cheap in Canada due to overproduction, increased competition, and the efficiency of the legal market. High supply and price wars among licensed producers drive costs down for consumers.

Final Thoughts

If you're getting started with cannabis cultivation for commercial purposes, you need the best seed banks for supplying high-quality seeds in bulk. 

They should provide you with their full range of products, such as autoflower seeds and feminized seeds, alongside comprehensive customer support to help you get the most out of your seeds. 

Our top pick overall to buy weed seeds is Seed Supreme. Their support to growers includes advice on the best, most potent seeds for your local area and how to grow cannabis. These points have earned them a stellar seed bank reputation, and we recommend trying them out.