Clematis Container Nursery - Retail, wholesale, and export grower of clematis in Poland. Includes encyclopedic reference with information and photos of several hundred species. 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. Millcreek Gardens LLC - Producer and wholesaler of container grown herbaceous perennials, herbs, and ornamental grasses. Located in Ostrander, Ohio. Emerald Coast Growers - Wholesale producer of perennials and ornamental grasses, sells to growers and through plant brokers. Company information, overview of offerings and availability. 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. Native Sons Wholesale Nursery Inc. - A wholesale nursery specializing in California natives, Mediterranean perennials, grasses, and herbs. Online plant descriptions and PDF catalog. Terra Nova Nurseries, Inc. - Oregon breeder and wholesaler of select perennials. 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. 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. W. Schenk - Information on peonies, the varieties available, and their cultivation. Netherlands. 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. Garden Splendor - Markets feature plants and named plant collections, available through garden centers in various areas of the US. Roseville Farms - Florida grower of clematis. Lists packaging and display options and includes images of farm and varieties offered. Donahue's - Specialist clematis nursery offering retail sales at their Minnesota greenhouse, and wholesale to plant retailers. Heemskerk Vaste Planten - Nursery in the Netherlands produces perennials for wholesale and export. The assortment includes daylilies, hostas, irises, and peonies, as well as a range of other common garden perennials. North Creek Nurseries - Supplier of perennials, grasses, ferns, native plants, and shrubs in Pennsylvania. Assortment list with photos. Blooms of Bressingham - Growers of herbaceous perennials and alpines. Detailed plant listing and links to distributors. Paionia - Offers a selection of bare-root peonies. Photos of varieties offered, form for price inquiries. Located in the Netherlands.