| Trial Name |
City/Town |
State |
| Georgeson Botanical Garden |
Fairbanks |
Alaska |
| Botanic Garden of the Ozarks |
Fayetteville |
Arkansas |
| Colorado State University |
Fort Collins |
Colorado |
| Welby Gardens |
Denver |
Colorado |
| University of Delaware Botanical Gardens |
Newark |
Delaware |
| University of Georgia |
Athens |
Georgia |
| Buckley Growers |
Taylorville |
Illinois |
| Cantigny Gardens |
Wheaton |
Illinois |
| Chicago Botanic Garden |
Glencoe |
Illinois |
| University of Illinois - Hartley Garden |
Urbana |
Illinois |
| University of Illinois Master Gardeners Henry White Farm |
Belleville |
Illinois |
| Purdue University |
Lafayette |
Indiana |
| Purdue University - Master Gardener Trial |
Fort Wayne |
Indiana |
| Better Homes & Gardens |
Des Moines |
Iowa |
| Bickelhaupt Arboretum |
Clinton |
Iowa |
| Iowa State University - Polk County Master Gardeners |
Urbandale |
Iowa |
| Iowa State University - Reiman Gardens |
Ames |
Iowa |
| Plantpeddler |
Cresco |
Iowa |
| Kansas State University |
Olathe |
Kansas |
| University of Kentucky Master Gardeners |
Lexington |
Kentucky |
| LSU Agricultural Center Hammond |
Hammond |
Louisiana |
| New Orleans Botanical Garden |
New Orleans |
Louisiana |
| University of Maryland Eastern Shore |
Princess Anne |
Maryland |
| Elm Bank Trial Garden |
Wellesley |
Massachusetts |
| Dow Gardens |
Midland |
Michigan |
| Michigan State University |
East Lansing |
Michigan |
| Raker Trial Garden |
Litchfield |
Michigan |
| University of Minnesota |
Grand Rapids |
Minnesota |
| University of Minnesota |
Minneapolis |
Minnesota |
| University of Minnesota |
Morris |
Minnesota |
| University of Minnesota Extension |
Farmington |
Minnesota |
| Mississippi State University |
Crystal Springs |
Mississippi |
| MSU South Mississippi Branch Extension Station |
Poplarville |
Mississippi |
| Missouri Botanical Garden |
St. Louis |
Missouri |
| Southeast Missouri State University |
Cape Girardeau |
Missouri |
| University of Missouri |
Columbia |
Missouri |
| North Carolina Arboretum |
Asheville |
North Carolina |
| North Carolina State University - Raulston Arboretum |
Raleigh |
North Carolina |
| North Dakota State University |
Fargo |
North Dakota |
| North Dakota State University |
Williston |
North Dakota |
| DS Cole Trial |
Loudon |
New Hampshire |
| Rutgers University |
New Brunswick |
New Jersey |
| Cornell University |
Ithaca |
New York |
| Cornell University Extension Nassau County |
East Meadow |
New York |
| Cornell University Extension Suffolk County |
Riverhead |
New York |
| Erie Basin Marina |
Buffalo |
New York |
| Stokes Seeds |
Buffalo |
New York |
| Franklin Park Conservatory |
Columbus |
Ohio |
| The Cincinnati Zoo |
Cincinnati |
Ohio |
| Ohio State University |
Columbus |
Ohio |
| Ohio State University Extension |
Springfield |
Ohio |
| Oklahoma State University |
Oklahoma City |
Oklahoma |
| Clackamas Community College |
Oregon City |
Oregon |
| Oregon Gardens |
Silverton |
Oregon |
| Oregon State University |
Corvallis |
Oregon |
| Penn State University |
Landisville |
Pennsylvannia |
| Brookgreen Gardens |
Pawley's Island |
South Carolina |
| South Dakota State University |
Brookings |
South Dakota |
| University of Tennessee |
Knoxville |
Tennessee |
| University of Tennessee |
Jacksonville |
Tennessee |
| The Dallas Arboretum & Botanic Garden |
Dallas |
Texas |
| Texas A & M University - Agri Life Research |
Overton |
Texas |
| Texas A & M University - Container Trial |
College Station |
Texas |
| Texas Tech University |
Lubbock |
Texas |
| Smithsonian Institute |
Washington D.C. |
Washington D.C. |
| United States Botanic Garden |
Washington D.C. |
Washington D.C. |
| Boerner Botanic Garden |
Hales Corners |
Wisconsin |
| Gateway Technical College |
Kenosha |
Wisconsin |
| Olbrich Botanic Garden |
Madison |
Wisconsin |
| Rotary Gardens |
Janesville |
Wisconsin |
| West Madison Agricultural Research Station |
Verona |
Wisconsin |