If you’re a gardener looking to maximize your options, this list covers the top five mail order seed companies ranked by the sheer number of varieties they offer. Whether you want heirloom tomatoes, rare peppers, or a wide range of flowers and herbs, these sources provide the most extensive selections for home growers, market gardeners, and seed collectors alike.
1. Baker Creek Heirloom Seeds
Baker Creek Heirloom Seeds boasts one of the largest catalogs of heirloom and rare seed varieties in the world, with over 1,800 distinct types. Founded in 1998, the company specializes in non-GMO, open-pollinated seeds from around the globe, including many hard-to-find vegetables and flowers. Their extensive collection features everything from unusual beans to exotic peppers, making it a favorite among collectors and gardeners seeking diversity.
2. Johnny’s Selected Seeds
Johnny’s Selected Seeds offers a catalog of roughly 1,600 varieties, focusing heavily on reliable, tested seeds for both home gardeners and commercial growers. They provide a broad mix of vegetables, herbs, and flowers, with a strong emphasis on performance, disease resistance, and organic options. The company is known for its detailed growing information and excellent customer service, making it a top choice for serious growers.
3. Seed Savers Exchange
Seed Savers Exchange specializes in preserving heirloom and open-pollinated seed varieties, offering over 1,200 different seeds. Their mission-driven approach focuses on biodiversity and genetic preservation, with many rare and endangered varieties available. They also facilitate seed sharing among members, which adds to the diversity and uniqueness of their catalog.
4. Territorial Seed Company
Territorial Seed Company carries approximately 1,000 varieties, catering primarily to gardeners in the Pacific Northwest but shipping nationwide. Their collection emphasizes regionally adapted seeds and includes many organic and hybrid options alongside heirlooms. Known for detailed growing guides and seasonal availability, Territorial Seed is practical for gardeners seeking dependable varieties suited to their climate.
5. High Mowing Organic Seeds
High Mowing Organic Seeds offers about 850 varieties, all certified organic and non-GMO. Their catalog covers a wide range of vegetables, herbs, and flowers, with a strong commitment to sustainable agriculture and organic practices. Although their variety count is smaller than others on this list, their focus on certified organic seeds makes them a trusted source for eco-conscious gardeners.
How to Choose
When selecting a mail order seed source, variety count is important but not the only factor. Consider the types of seeds you want—heirloom, hybrid, organic, or regionally adapted—and whether the company specializes in those categories. Also, look at their reputation for seed quality, germination rates, and customer support. Additional factors include shipping reliability, availability of growing information, and whether you want to support preservation efforts or organic agriculture. Ultimately, the best seed source matches your gardening goals, climate, and values.
Frequently Asked Questions
Q: Are heirloom seeds better than hybrids?
Heirlooms are open-pollinated and preserve genetic diversity, often prized for flavor and history, while hybrids are bred for traits like yield or disease resistance. The choice depends on your priorities.
Q: How long do seeds from these companies remain viable?
Most seeds remain viable for 1-5 years if stored properly in a cool, dry place, but germination rates can vary by species.
Q: Do these companies ship internationally?
Many do ship internationally, but restrictions vary by country due to agricultural import laws. Check each company’s shipping policies before ordering.
Q: Can I get organic seeds from these sources?
Yes, companies like High Mowing Organic Seeds specialize in certified organic seeds, while others offer organic options alongside conventional seeds.
Q: Are seed catalogs available in print?
Most of these companies provide printed catalogs by request or automatically with orders, which is helpful for browsing their extensive selections offline.
Final Thoughts
Choosing from the top mail order seed sources ranked by variety count opens up incredible opportunities to diversify your garden with rare, heirloom, and regionally adapted plants. Whether you prioritize the sheer number of options, organic certification, or preservation of genetic diversity, these five companies represent the best starting points for gardeners seeking to explore the full spectrum of seed varieties. With careful selection and proper storage, the seeds you order today can provide years of fruitful gardening.
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