Online small-packet
Order individual seed packets through an online storefront. This can suit gardeners experimenting with different varieties or planting smaller areas.
INDEPENDENT REGIONAL SEED DIRECTORY
Find seed sellers matched to your climate.
Seed sellers matched to your climate — not just your state. Search by USDA hardiness zone or ZIP code, then explore sellers whose published information supports that climate focus.
Find seeds for your zone
Start with a five-digit US ZIP code or select a USDA hardiness zone directly.
USDA hardiness zones describe winter temperature patterns, not every growing condition. A zone match is a research starting point, not a guarantee that particular seeds will thrive at your address.
Zone reference: USDA Plant Hardiness Zone Map.
BROWSE
Browse seed sellers by USDA zone
Zone pages include sellers only when their own published material supports the zone assignment. A seller's location alone is never used as evidence of specialization.
Zone listings are being verified
No zone-specific seller listings are published yet. Zone directories will appear as seller-published specializations are checked.
Suggest a seed seller →Know your zone already? Use the zone lookup tool to search directly.
REGIONAL SEED SOURCING
Browse by climate region
Hardiness zone is only part of the picture. Regional climate, growing-season length, and local environmental conditions can matter when choosing seeds.
Climate-region listings are being verified
Region pages will be published as seed sellers' own climate descriptions are verified. No regional specializations have been assigned without sources.
Suggest a regional seed seller →HOW TO BUY
Choose an ordering method that fits
A seed seller's climate focus is one consideration. How that seller accepts orders is another. We distinguish ordering methods using information published by each seller.
Catalog mail-order
Browse a seller's catalog and follow its published mail-order process. Check current catalogs for order methods, availability, and minimums.
Both methods
Some sellers publish both online ordering and catalog mail-order options. We show both only when their own information confirms them.
PUBLISHED SELLER INFORMATION
Regional seed sellers
Each published seller record identifies its climate specialization, supported USDA zones where stated, ordering method, and the source used to verify it.
Seed seller listings are being verified
The directory is being assembled from sellers' own published catalogs and websites. No seller records are published yet.
Suggest a seed seller →OUR METHOD
What makes a climate match?
Start with your zone
Select a USDA hardiness zone directly. ZIP lookup will be added once the verified ZIP reference data is in place.
Check published specialization
We match sellers using zone or climate information supported by their own published materials. We do not infer specialization from their address.
Review the seller's source
Each verified listing links to its original source and shows when that information was checked. Confirm current offerings before ordering.
A seller appearing in a zone search does not mean every seed in its catalog is suitable for that zone. Read our verification methodology.
GARDENING GUIDE
Why shop for seeds by climate instead of state?
State borders do not define growing conditions. Elevation, winter temperatures, summer heat, precipitation, and growing-season length can vary considerably within a single state.
USDA plant hardiness zones describe average annual extreme minimum temperatures. They are useful for understanding winter cold, but do not by themselves establish which vegetable, flower, or native-plant seeds will perform well in your garden.
Regional seed sellers may describe their catalogs in terms of local climates, growing seasons, or particular seed types. SeedsByZone preserves those descriptions rather than assigning unsupported climate claims.
Learn how to choose regional seed sellers →HELP IMPROVE THE DIRECTORY
Know a regional seed seller?
Suggest a seller and include a link to its published climate specialization or catalog information. Every submission is reviewed before anything is published.