The Queensland Gardening Pages

Petunias NebGuide from University of Nebraska

Petunia (group) Missouri Botanical Garden

Petunias for the porch, patio and garden plot University of Vermont

Petunia Auburn University

Petunia Clemson University Cooperative Extension Service, South Carolina

Growing Petunias University of Rhode Island

"Spreading" Petunias in Ornamental Horticulture Monthly Newsletter, Volume 3 No. 1, February 2000. Penn State College of Agricultural Sciences.

How to keep petunias from becoming bedraggled Extension Service Garden Hints, Oregon State University

Selecting and Planting Petunias Including seed raising Iowa State University of Science and Technology

Petunia Petunia x hybrida. University of Arkansas

Dixon Petunia Festival Dixon, Illinois

1997: Year of the Petunia This page includes some information on history and cultivation of petunias. National Garden Bureau, USA

Think petunias are only useful as bedding plants? (Hanging baskets) Plant & Pest Diagnostic Laboratory, Purdue University