September Song Nursery - Offers rex begonias including iron cross, beefsteak and eyelash begonias. Hoyas, cacti and succulents also available.

Siskiyou Rare Plant Nursery - Oregon-based nursery selling rock garden and trough plants, ornamental grasses, dwarf Japanese maples, dwarf conifers and hardy ferns.

South Cove Nursery - Sells a wide and varying range of herbs and perennials.

Spring Valley Nursery and Native Plant Center - Mail order source for prairie and woodland wildflowers, grasses, bird and wildlife habitat, perennials, clematis, ground covers and ivy.

Stark Bro's Nurseries - Seller of apple, pear, and other fruit and berry plants, some of them varieties developed by the firm itself. Includes online ordering, history, and services.

Starr Nursery - Agaves, Yuccas, bulbs, and related ornamental succulent plants suitable for container growing. Mail order throughout the United States.

Stecks Nursery - Online shopping for plants, trees and shrubs, plus information on landscape design services including walls, ponds, perennial gardens and flower displays. Bethel, Connecticut.

Tangled Roots Nursery and Landscaping - Missouri Nursery offering flowering shrubs and evergreens. Includes hardiness zone map.

Terrapin Gardens - Washington State nursery selling unusual and select annuals, perennials, succulents, and trees.

Tiffany's Gardens - Wisconsin-based nursery selling annuals, traditional cottage-garden perennials and shrubs.

Tough Alpine Nursery - Scottish nursery offers a range of rare and unusual alpine plants from all over the world.

Tripple Brook Farm - Massachusetts sellers of Northeastern US native plants and underutilized cold-hardy exotics for landscaping and gardening.

Twombly Nursery - Offers a range of plants including perennials, shrubs and conifers.

Valley Grow - Florida grower, specializing in brugmansia and crape myrtle, also offers shrubs, trees, perennials and seed. Includes photos, descriptions, and cultural FAQ.

Victoriana Nursery Gardens - Suppliers of quality seeds, plants, aqautics and fish delivered to your door.

Wallace W. Hansen Northwest Native Plant Nursery and Gardens - Oregon-based specialist growing only plants native to the Pacific Northwest region of the United States and Canada.

Wallace-Woodstock, Inc. - Tree and landscape provider in Northwest Wisconsin providing a range of flowering, ornamental, deciduous, and evergreen trees and shrubs.

Wayside Gardens - A source of perennials, bulbs, shrubs, roses and trees. Also offering garden supplies, gifts, art, and a free catalog and newsletter.

Weird Dude's Plant Zoo - Retail and mail order nursery specializing in rare and unusual perennials, trees, shrubs, alpines, and tropicals.

White Flower Farm - Connecticut nursery growing and supplying perennials, annuals, bulbs, shrubs, vines and roses.

Wildflower Farm - Sells a range of plants and seeds that are native to Canada.

Windowbox.com - Sells a range of plants, kits, pots, and boxes for little gardens.

Wolf River Valley Farms - Tennessee grower offers popular annuals, herbs and perennials.

World Plants - Oregon nursery specializing in rare plants from all corners of the world, many custom collected.

Yucca Do Nursery - Texas nursery selling perennials, cycads, grasses, palms, bromeliads, succulents, agaves, yuccas, and other subtropical plants, with an emphasis on drought-hardy Texan and Mexican rare plants.