• A Sandy Rhododendron Oregon sellers of hybrids and species rhododendrons.

• Rhododendron Species Foundation Association sells tropical and temperate species of rhododendrons to association members and others.

• Singing Tree Gardens California seller of hybrid rhododendrons, as well as some azaleas and ornamental trees.

• Species Unlimited Western Washington nursery specializing in propagating and growing species rhododendrons and azaleas.

• The Bovees Nursery Oregon specialists in vireya rhododendrons of Indonesia and Southeast Asia and their hybrids.

• Wrenhaven Nursery Specializes in field-grown hybrid and species rhododendrons and azaleas, including varieties suitable for bonsai. Located in British Columbia.