Gaia Grass
- Offers native Michigan genotype and prairie grass seed, including big and little bluestem, switchgrass, and indiangrass.
- http://www.gaiagrass.com/

Naturescape
- UK supplier of seeds for wildflowers and other plants native to Britain. Also offers some live plants, bulbs, and corms.
- http://www.naturescape.co.uk/

Pure Air Native Seed
- Missouri seller of seed for grasses and flowers native to the North American prairie.
- http://www.crpseeds.com/

Bluebell Seeds
- Licensed provider of sustainably managed English bluebells (Hyacinthoides non-scripta). Information on native habitat and planting instructions.
- http://www.bluebellseeds.com/

Sparkleberry Springs
- Small business in Georgia selling native plant seed from an online catalog of over 100 species, most with photos and brief germination instructions.
- http://sparkleberrysprings.com/

Gardenstuff Ltd
- New Zealand supplier of wildflower and garden flower seed, in individual packets and mixtures.
- http://www.gstuff.co.nz/

Farnell Farm
- Licensed sellers of wild English bluebell (Hyacinthoides non-scripta) seeds in the UK. Site also contains information on Kentish cobnuts, fishing and educational access.
- http://www.farnellfarm.co.uk/

Nindethana Seed Service
- Large selection of Australian native seeds, including many rare and unusual species. Worldwide mail-order service. Comprehensive seed catalogue online.
- http://www.nindethana.iinet.net.au

Theodore Payne Foundation for Wildflowers & Native Plants
- A nonprofit retail nursery offering California native plants and seeds.
- http://www.theodorepayne.org/

Western Native Seed
- Colorado seller of Rocky Mountain regional seed mixes as well as seed for individual Western North American plants, including a good selection of penstemon species.
- http://www.westernnativeseed.com/

Stock Seed Farms
- Growers of Wildflowers and Prairiegrasses.
- http://www.stockseed.com/

RMAUSA
- Colorado sellers of wildflower mixes by the pound, each mix being intended for a particular US region. Also sell rapidly growing hybrid trees.
- http://www.rmausa.com/

Larner Seeds
- Seeds and plants of California native wildflowers, bunchgrasses, shrubs, vines, and trees. Books, design consultation, restoration garden tools, native-plant related gift items.
- http://larnerseeds.com

Design By Nature
- Sellers of mixes of UK wildflowers designed for specific soil types.
- http://www.wildflowerseed.co.uk/

Sunmark Seeds
- Native grasses information, specifications and sales for landscapes architects, gardeners gardening, hydroseeders on wildflowers, native grasses, turf restoration, erosion control, forage, marsh, wetlands, prairie, grasslands, and speciality seeds.
- http://www.sunmarkseeds.com/

Prairie Nursery
- Offers wildflower seeds and custom-designed native seed mixes.
- http://www.prairienursery.com/

Prairie Moon Nursery
- Suppliers of native plants and seeds for prairie restoration, natural landscaping, and wildflower gardens.
- http://www.prairiemoon.com

Prairie Frontier
- Offers wildflower and prairie grass seed.
- http://www.prairiefrontier.com/

Ohio Prairie Nursery
- Seed for prairie grasses and other plants native to the NW United States. Also offers consultation services, custom seed mixes, contract growing.
- http://www.ohioprairienursery.com/

Wildseed Farms
- Direct from working wildflower seed farm. Available in large quantities or small packets, free wildflower reference guide and seed catalog.
- http://www.wildseedfarms.com/

Wildflower World
- Wildflower seeds and mixtures shipped world wide.
- http://www.wildflowerworld.com/

NativeSeeds
- Supplier of Australian native grass seeds, including Redgrass, Wallaby grass, Wheat grass, Windmill grass, Wallaby and Kangaroo Grass.
- http://www.nativeseeds.com.au/

Native American Seed
- Offers wildflower and prairie grass seeds from the Texas, Oklahoma, and Louisiana region.
- http://www.seedsource.com/

Holland Wildflower Farm
- Offers a wide variety of wildflower seed.
- http://www.hwildflower.com/

Easyliving Wildflowers
- Native wildflower seed for Midwest and Northeast US.
- http://www.easywildflowers.com/

Eastern Native Seed Conservancy
- Offers heirloom seeds and plants from the northeast US area.
- http://www.enscseeds.org

Freshwater Farms
- Retail and wholesale native seeds from California.
- http://www.freshwaterfarms.com/

American Meadows
- Offers wildflower mixes and species for all regions, as well as a selection of live plants and bulbs.
- http://www.americanmeadows.com/

All Go Wild
- Irish wild flower sales. Features seed mixtures, plants databases, news, advice, and photographs.
- http://www.allgowild.com/