C. Raker and Sons
Litchfield, MI
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California Polytechnic State University
San Luis Obispo, CA
Web: Click for Site

Colorado State University Annual Flower Trial Gardens
Fort Collins, Colorado
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Cornell University Trial Gardens
Ithaca, NY
Web: Click for Site

Costa Farms
Miami, FL
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Dallas Arboretum
Dallas, Texas
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JC Raulston Arboretum
Raleigh, NC
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Michigan State Horticulture Gardens
East Lansing, Michigan
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Hardiness Zone: 5-6

Mississippi State Trial Gardens
Biloxi, MS
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Ohio State University Cultivar Trials
Columbus, OH
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Penn State Trial Gardens
Manheim, Pennsylvania
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Texas AgriLife Research and Extension Center at Overton
Overton, TX
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The Trial Gardens at UGA
Athens, Georgia
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University of Kentucky
Lexington, KY
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University of Minnesota
Minneapolis, MN
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University of Tennessee Trial Gardens
Knoxville, TN
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University of Wisconsin Madison
Verona, WI
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Van Wingerden International inc.
Mills River, NC
Web: Click for Site

Walt Disney's Horticulture Bedding Plant Trials
Lake Buena Vista, Florida
Hardiness Zone: 9-10