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.

Producer and wholesaler of container grown herbaceous perennials, herbs, and ornamental grasses. Located in Ostrander, Ohio.

Wholesale producer of perennials and ornamental grasses, sells to growers and through plant brokers. Company information, overview of offerings and availability.

Offers a selection of bare-root peonies. Photos of varieties offered, form for price inquiries. Located in the Netherlands.

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.

Chinese grower and exporter of tree and herbaceous Paeonia. Company profile, product list and contacts.

Oregon breeder and wholesaler of select perennials.

Wholesale grower of liriopes, perennials, ornamental grasses, and groundcovers.

Growers of herbaceous perennials and alpines. Detailed plant listing and links to distributors.

Provider of clematis and other climbers.

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.

Wholesale nursery producings peonies for sale to New Zealand cut-flower growers and for export. Photo gallery of available varieties.

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.

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.

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.

Information on peonies, the varieties available, and their cultivation. Netherlands.

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.

Markets feature plants and named plant collections, available through garden centers in various areas of the US.

Retail, wholesale, and export grower of clematis in Poland. Includes encyclopedic reference with information and photos of several hundred species.

Specialist clematis nursery offering retail sales at their Minnesota greenhouse, and wholesale to plant retailers.

Provider of herbaceous and tree peonies in China. Overview and photos of assortment, which also includes several woody ornamentals.

Hong Kong representative for Junfeng Horticulture Company (China), selling Chinese tree peonies. Photo gallery, terms and conditions, order form.

Exporter of Lapageria rosea plants. Includes shipping details, orders and price list.