11 Canadian Seed Companies Every Gardener Should Try

Looking for high-quality vegetable, herb and flower seeds? Find the seeds you need for your home garden and support local businesses at the same time!

I've compiled a helpful list with several Canadian seed companies that deliver right to your doorstep.

I've even included price comparisons and shipping information so you can find the best options for your budget and gardening needs.

Updated on January 31, 2025 with new price comparisons and shipping information for each brand. I have also updated the links to available 2025 Canadian seed catalogues from these brands.

Winter may have frozen our gardens solid, but that doesn't mean we can't start ordering seeds for the growing season! 

Ordering well before the warm weather arrives ensures that you'll have access to more varieties before they sell out.

Plus, you'll be able to get a jump start on your seed starting – setting you up for a successful season.

If you're looking for Canadian seed companies that allow you to order seed online and ship straight to your door, then keep reading!

🌿 If you're thinking about growing vegetables for the first time, check out my list of the easiest vegetables to grow from seed!

What I've Included in this Article

• 11 Canadian seed companies that I've personally ordered from
• Links to all of their website and any available catalogues
• Details about each company including their location and if they sell certified organic etc.
• Current shipping prices within Canada
• The price of 1 packet of basil seeds from each company, including the final cost with shipping to an address in Southern Ontario

When comparing prices, be sure to take into consideration the amount of seeds in the packet and how many seeds you need for your particular gardening needs.

I hope you'll find this list helpful!

A Note on Non-GMO

All of these companies are committed to selling non-GMO seeds.

In fact, I haven't found a single brand that sells GMO seeds to home gardeners in my last four years of gardening.

💡 Did You Know? GMO stands for Genetically Modified Organism, which means the seeds were genetically engineered by introducing the genes of unrelated species instead of being cultivated through pollination. This is not the same as hybridization.

Kitchen Table Seed House

• Website
• Catalogue: none
• Owned By: Kathy and Annie
• Location: Wolfe Island, a ferry ride from downtown Kingston, Ontario

Kitchen Table Seed House has quickly become one of my favourite garden seed companies to buy flower, vegetable and herb seeds from. 

What Makes Them Different

Kitchen Table Seed House focuses on offering varieties that are well-suited to their region of Southeastern Ontario.

If you live in Ontario, these seeds are probably going to grow very well for you. I've had a lot of success with their seeds myself.

Also, all their seeds are non-GMO and open pollinated, meaning you can save seeds from your garden and plant them next year.

Seed Sourcing

Kitchen Table Seed House grows over 75% of their seed varieties in their own fields, sourcing the rest from other certified organic seed farmers (such as the Hudson Valley Seed Company in New York).

To find out if a particular seed has been sourced from another farm, you just have to read the product listing.

Where to Buy

Kitchen Table Seed Company products can be purchased online from their website, and I believe they are sold in some retail stores as well.

West Coast Seeds

• Website (affiliate link)
• Catalogue: Request a printed 2025 West Coast Seeds Catalogue or download the digital version.
• Owned By: Craig Diamond (the Diamond family)
• Location: Vancouver, British Colombia

Another one of my favourite Canadian seed companies is West Coast Seeds. I've been buying their seeds since 2021 and have been a brand ambassador for them since 2022.

What Makes Them Different

This company, founded in 1983, is known for their non-GMO seeds that are never chemically treated. 

They offer certified organic, heirloom, and open-pollinated seeds as well as hybrid varieties.

I'm a big fan of their commitment to education and the level of detail that they put into their website and seed packets. 

Their catalogue also contains helpful gardening tips and handy charts to help you grow everything successfully.

Seed Sourcing

According to their website, their expansive seed collection is "ethically sourced from sustainable growers around the globe."

Top Picks from West Coast Seeds

I've grown vegetables, herbs, flowers, microgreens and sprouts from West Coast Seeds, and almost everything has grown well for me.

If you enjoy growing green beans, you should check out their Ferrari bean seeds (affiliate link). They're great for containers or the edges of raised beds.

I also love their Black Krim tomato seeds (affiliate link), which grow into the tastiest gourmet tomatoes.

Where to Buy

West Coast Seeds products can be purchased online or in retails stores across the country.

Ontario Seed Company Ltd.

• Website
• Catalogue: Request a 2025 printed OSC Catalogue or download the digital version.
• Owned By: An unspecified Canadian family
• Location: Kitchener, Ontario

OSC (Ontario Seed Company) Seeds is one of the largest and oldest Canadian-owned and operated seed packet companies in Canada.

They were established in the late 1800's, and their central facility is now located in Kitchener, Ontario.

What Makes Them Different

All of their seeds are certified organic and non-GMO.

They offer a full line of products including over 30 herbs, 250 vegetables, 240 annuals and 100 perennials and biennials suitable for Canada's various climate zones.

Note: OSC Seeds specifically says that their seeds are meant for gardening and should not be sprouted to be eaten as fresh sprouts. However, if you do want to grow your own spouts for eating it's best to buy seeds or legumes specifically intended for that purpose.

Seed Sourcing

OSC says their seeds are sourced “from all over the world."

Top Picks from OSC Seeds

I haven't grown a lot from OSC myself yet, however their Purple Tie Dye Wave Petunia seeds did very well in my garden last summer.

Where to Buy

OSC Seeds products can be purchased online from their website, or in retail stores across the country. They also have a brick-and-mortar store inside of a Home Hardware in Waterloo, Ontario.

Northern Wildflowers

• Website
• Catalogue: Request the 2025 Seed Catalogue
• Owned By: Jenny Fortier
• Location: Sudbury, Ontario

I came across the Nothern Wildflowers seed company in 2023, and found that they had a nice variety of wildflower and vegetable seeds.

What Makes Them Different

This family-owned business was founded in 2012 and grows over 30 varieties of native wildflower seed on their 40 acre farm. All of their seeds are pollinator friendly, non-GMO, untreated and chemical free.

Seed Sourcing

Cutleaf Seeds, an offshoot of Northern Wildflowers, was created in 2021. This line of 100% Canadian farmer grown, short season heirloom vegetable seed varieties are available on the Northern Wildflower company website.

They also support over 20 small farms and wild collectors who supplement their seed supply. 

Top Picks from Northern Wildflowers

Although I prefer buying flower seeds from this company, they do have a nice Costoluto Fiorentino tomato that I managed to grow in second year that I tried them.

Otherwise, their Black-eyed Susans are a good option.

Where to Buy

Northern Wildflower seeds can be purchased online from their website or in retail stores across Canada.

McKenzie Seeds

• Website
• Catalogue: none
• Owned By: Jiffy Canada
• Location: Brandon, Manitoba

McKenzie Seeds is another huge seed company that has been around since the 1800s (1896 to be exact), although they were purchased by Jiffy Canada in 2008.

What Makes Them Different

This company offers a selection of non-GMO flower and vegetable seeds.
Their new packaging includes a new “It Grows Here Guarantee", which a representative from their company says "signifies our commitment to offering seeds that are well-suited to Canadian climates."

Top Picks from Mckenzie Seeds

I love buying marigolds from this brand. I've had great success with the Fireball Mix marigolds and the French Double Dwarf marigolds in particular.

Where to Buy

McKenzie Seeds products can be ordered online from their website, or purchased in-store at retailers across Canada (like Walmart).

William Dam Seeds

• Website
• Catalogue: Request a printed 2025 William Dam Seeds catalogue or download the digital catalogue.
• Owned By: William Dam Jr. (the Dam family)
• Location: Dundas, Ontario

William Dam Seeds is a family-run company located just outside Dundas, Ontario, Canada, supplying small farmers and gardeners across the country with a diverse selection of vegetable, herb, flower, and greencrop seeds.

What Makes Them Different

They take pride in offering a varied catalogue that honours both traditional varieties, such as Lucullus Swiss Chard—featured since their first price list—and new selections.

William Dam carries some organic seeds, and all of their seeds are non-GMO. Their seeds are freshly tested and packaged to ensure high quality.

Seed Sourcing

While they do have trial-plots on their own farmland, their seed are brought in from 85 seed growing regions of the world.

Top Picks from William Dam Seeds

Cosmos are one of my favourite flowers, and their Sonata Mix Cosmos did not disappoint.

Where to Buy

You can buy William Dam Seeds directly from their official website. If you're in Ontario, you can also visit their retail store, which is located just outside Dundas, Ontario.

Veseys

• Website
• Catalogue: Request a printed 2025 Veseys catalogue or download the digital catalogue.
• Owned By: Bev and Shirley Simpson
• Location: York, Prince Edward Island

Veseys is the largest mail-order gardening company in Canada, and has been around since 1939.

What Makes Them Different

Veseys Seeds, based in York, Prince Edward Island, is a family-owned company renowned for providing high-quality seeds, bulbs, and gardening supplies to customers across Canada and the United States.

They offer a diverse selection of non-GMO, certified organic, heirloom, and open-pollinated seeds, all rigorously tested in their 40-acre trial gardens to ensure suitability for various climates.

Seed Sourcing

I haven’t been able to find out where their seeds are sourced from, but given the scale of the company and the amount of seeds that they carry, I’m going to assume it’s sourced globally.

Top Picks from Veseys

Their Little Gem lettuce does very well in the cooler months, and is very tasty.

Where to Buy

Veseys seeds can be purchased online or in various retail stores.

T & T Seeds

• Website
• Catalogue: Request a printed 2025 T&T Seeds catalogue or download the digital version.
• Owned By: Jarrett and Jackie Davidson
• Location: Winnipeg, Manitoba

T&T Seeds has been supplying mail-order seeds to Canadian provinces since it was founded in 1946.

What Makes Them Different

They offer a wide variety of vegetable and flower seeds, along with flowering bulbs, fruit trees, shrubs, roses, and more.

This company also operates a garden centre in Headingley, Manitoba where they regularly host workshops for their customers.

Seed Sourcing

Specific details about their seed sourcing are not provided on their website

Top Picks from T&T Seeds

They sell a tasty and unique radish called the Alpine Daikon radish, which grew well for me.

Where to Buy

T&T Seeds can be purchased online from their website or in-store at their garden centre.

Heirloom Seeds Canada

• Website
• Catalogue: none
• Owned By: Lisa Birri (affiliated with Birri at the Jean-Talon market)
• Location: Montreal, Quebec

I ordered from this company in 2023 because I wanted to try growing Roselle Hibiscus and they were the only place that had seeds.

What Makes Them Different

Heirloom Seeds Canada, based in Montreal, partners with the market gardener Birri of the Jean-Talon market, who has been selling seeds to farmers and individuals for nearly 50 years.

Through this partnership, they offer over 400 varieties of non-GMO heirloom seeds.

This company offers interesting seeds that you may not be able to find anywhere else.

Bonus: They also generously provides a free packet of seeds with every order.

Seed Sourcing

I could not find specific information about where their seeds are sourced from.

Top Picks from Heirloom Seeds Canada

I've been very happy with how well their herbs grow in my garden. Their Winter Thyme and Greek Oregano are both very nice options.

Where to Buy

These seeds can only be purchased from their official website at this time.

Pangea Seeds

• Website
• Catalogue: none
• Owned By: Ryan and Rachelle
• Location: Swan River, Manitoba

This family-owned business offers non-GMO seeds in smaller, affordable packs suitable for urban gardeners.

What Makes Them Different

Catering to the average city gardener, Pangea Seeds offers sustainably sourced seeds in small quantities that you can use up in just one to two seasons.

These cute tiny packets help to prevent waste (as seed viability decreases the older the seeds get), and allows gardeners to buy seeds at a lower-than-average price point.

Seed Sourcing

Pangea says their heirloom vegetables are sourced from "anything that can be harvested right from [their] property", so they have consistent genetics.

Their hybrids come from a Canadian brand that sources seeds from places around the world.

Top Picks from Pangea Seeds

Although I have made a purchase from this company, I have yet to actually grow their seeds. I will update this article once I've tried their products.

Where to Buy

You can purchase these seeds from their official website or on Etsy.

Gaia Organics

• Website
• Catalogue: none
• Owned By: Manish Kushwaha
• Location: Ottawa, Ontario

Gaia Organics, based in Ottawa, Ontario, caters to both home gardeners and market gardeners, providing bulk garden seeds and plants.

What Makes Them Different

Gaia Organics is a certified organic seed company offering approximately 1,000 varieties of non-GMO and heirloom vegetable, herb and flower seeds.

Seed Sourcing

This company says on their website that they are "dedicated to producing the majority of our seeds right here in Ottawa."

If you live near this area you might find that these seeds grow very well for you.

Top Picks from Gaia Organics

I adore their Sgt. Pepper Tomatoes, which are both gorgeous and delicious. Their Purple Dragon Carrots are also very cool, with a beautiful ombre colour and wonderful flavour.

Where to Buy

You can buy Gaia Organics seeds directly from their official website. Additionally, you can find their seeds at various garden centres and natural food stores in Ottawa.

That's my list of the best Canadian seed companies that I've tried so far!

Do you know of another great Canadian seed company that you'd like to share? Let me know in the comments below!