Washington state nursery traditionally specializing in herbaceous and tree peonies also offers daylilies and hostas. Catalog with some photos, printable order form.

Cold-hardy perennials grown especially for Alaskan gardens and landscapes.

Offers a variety of American perennial woodland species, specializing in ginseng roots and seeds. Product range includes native shrubs and trees, but only herbaceuous species can be purchased online.

Nursery in the UK specializing in unusual perennials, especially woodland and shade-loving species. Text catalog, order by e-mail or phone.

Sells daylilies, perennials, water garden and pond supplies.

Sells daylilies, iris, hosta, herbs, elephant ear and hydrangeas.

Grower of perennials, particularly daylilies and hostas. Ships in continental USA.

Specializes in ornamental grasses and willows, both retail and wholesale. Includes descriptions, photos, and cultural information.

Offers a selection of perennials, plants, herbs, ornamental shrubs and bulbs. Option to search by growing zone.

Family-owned business specializing in intersectional and herbaceous peonies, as well as Siberian and Pacific Coast Native irises. Illustrated online catalog and printable order form.

Offers cypripedium plants, rhizomes and bulbs of various perennials, and seeds of mostly unusual perennials.

French nursery which offers bare-root irises, hemerocallis, peonies, and poppies. Will ship to the USA.

Growers of herbaceous and tree peonies as well as Siberian and historic irises in Oregon.

Offers a selection of herbaceous and woody climbing plants, including clematis, climbing roses, passionflowers, and honeysuckles. Located in Pennsylvania, ships within continental US.

Minnesota nursery offering an assortment of perennials and ornamental grasses. Online catalog with photos and general characteristics.

Ontario based retailer of unusual perennial plants.

Northern California nursery specializing in sweet violets, salvias, border pinks, kniphofias, and decorative oreganos.

Oregon perennial nursery offering daylilies, intersectional hybrid and tree peonies, and hostas. Illustrated online catalog.

Sells a selection of clematis plants.

Sells a selection of clematis plants and vines.

Virginia-based nursery selling daylillies and peonies, as well as bearded, Siberian and Japanese iris.

Offers Brugmansia also known as Angel's Trumpets. Includes propagation and basic care information.

Sells a selection of fuchsias. Includes information on caring for them.

Specialty nursery in Georgia offering hardy and tropical ferns. Illustrated online catalog. Ships to US only.

Sells a range of deer-resistent perennials and shrubs, along with various tools for protecting gardens.