Terra Nova Nurseries, Inc.

Oregon breeder and wholesaler of select perennials.
http://www.terranovanurseries.com/

Emerald Coast Growers

Wholesale producer of perennials and ornamental grasses, sells to growers and through plant brokers. Company information, overview of offerings and availability.
http://www.ecgrowers.com/

Native Sons Wholesale Nursery Inc.

A wholesale nursery specializing in California natives, mediterrean perennials, grasses, and herbs. Online plant descriptions and PDF catalog.
http://www.nativeson.com/

Quinton Nursery, LLC

Wholesale grower of liriopes, perennials, ornamental grasses, and groundcovers.
http://quintonnursery.com/

Blooms of Bressingham

Growers of herbaceous perennials and alpines. Detailed plant listing and links to distributors.
http://www.bobna.com/

Clematis Container Nursery

Provider of clematis and other climbers.
http://www.clematis-nursery.com

Roseville Farms

Florida grower of clematis. Lists packaging and display options and includes images of farm and varieties offered.
http://www.rosevillefarms.com/

International Hardy Plant Union

Organisation of nurseries, institutions and individuals with a professional interest in perennials from Europe, the USA, Canada, and Japan. Information about membership, yearbooks and activities, and the perennial plant register.
http://www.isu-perennials.org/

Millcreek Gardens LLC

Producer and wholesaler of container grown herbaceous perennials, herbs, and ornamental grasses. Located in Ostrander, Ohio.
http://www.millcreekgardensohio.com/

Paionia

Offers a selection of bare-root peonies. Photos of varieties offered, form for price inquiries. Located in the Netherlands.
http://www.paionia.com/

Northwest Horticulture

Large-scale grower of perennials in Washington, selling to growers and retailers at various sizes and maturities. Online product listing with photo and description for each variety.
http://www.northwesthort.com/

Heze Oriental Flowers & Trees

Chinese grower and exporter of tree and herbaceous Paeonia. Company profile, product list and contacts.
http://hoftco.51.net/

Northwest Ornamental Grasses

Wholesale nursery offering a large selection of ornamental grasses and grass-like plants, in sizes ranging from 128-cell liners to 5-gallon containers. Products, pricing, and availability, with photo catalog. Located in Washington state.
http://www.northwestornamentalgrasses.com/

Kampjes Gardens

Wholesale nursery producings peonies for sale to New Zealand cut-flower growers and for export. Photo gallery of available varieties.
http://www.kampjesgardens.com/

Emerisa gardens

Wholesale and retail nursery in Santa Rosa, California specializing in four-inch potted plants emphasizing hardy and unusual perennials, herbs, and ornamental grasses, and other plants suitable for Mediterranean climates.
http://www.emerisa.com/

Tall Bearded Irises

Grower of over several hundred tall bearded iris varieties, located in Virginia. Offers gallon-sized potted plants and bare root rhizomes by mail order in summer. Catalog request by e-mail.
http://www.autumnsfolly.com/

Strand Nursery Company

Wholesale supplier of dormant bare root ferns and wildflowers to retail nurseries and landscapers throughout the US. Emphasis is on Wisconsin natives. Company profile and product listing.
http://www.strandnursery.com/

W. Schenk

Information on peonies, the varieties available, and their cultivation. Netherlands.
http://www.schenkpioenen.nl/

Buyperennials.com

Wholesale supplier of bare-root perennials, shipping from the Netherlands to Europe and the US. Product range includes commonly grown garden subjects, available for online ordering in lots of 25. Illustrated catalog, grower information.
http://www.buyperennials.com/

Garden Splendor

Markets feature plants and named plant collections, available through garden centers in various areas of the US.
http://www.gardensplendor.com/

Clematis Container Nursery

Retail, wholesale, and export grower of clematis in Poland. Includes encyclopedic reference with information and photos of several hundred species.
http://www.clematis.com.pl/

Donahue's

Specialist clematis nursery offering retail sales at their Minnesota greenhouse, and wholesale to plant retailers.
http://www.donahuesclematis.com/