All-America Selections
: Since 1933, introducing great new flowers and vegetables for American gardens.
America in Bloom: Planting pride in our communities!
BLOOMS of Bressingham - North America: A Tradition of Perennials Around the World.
Grow Native!: Naturally resilient plants for naturally beautiful landscapes.
hort.net Photo Gallery: Contains photo images of numerous ornamental plants.
National Garden Bureau: A non-profit organization which disseminates accurate information on gardening from seed.
Perennial Plant of the Year: Outstanding perennials honored by the Perennial Plant Association.
Plants of Merit: Great plants selected by the Kemper Center for Home Gardening staff at  Missouri Botanical Garden.
Proven Winners: Hybrid varieties of popular flowering plants.
STEPABLES: Resilient Perennials for Pathways and Borders.
Wave Petunia: Wave Petunias…the first and finest ground cover flowering annual.