| 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 |
| Bok Tower Sanctuary |
Lake Wales |
Florida |
| City of Lakeland Parks |
Lakeland |
Florida |
| University of Florida |
Gainesville |
Florida |
| University of Florida, IFAS |
Fort Lauderdale |
Florida |
| Walt Disney World Nursery |
Lake Buena Vista |
Florida |
| University of Georgia |
Athens |
Georgia |
| Buckley Growers |
Taylorville |
Illinois |
| Cantigny |
Wheaton |
Illinois |
| Chicago Botanic Garden |
Glencoe |
Illinois |
| The Gardens at Ball |
West Chicago |
Illinois |
| The Growing Place |
Aurora |
Illinois |
| The Morton Arboretum |
Lisle |
Illinois |
| University of Illinois - Hartley Garden |
Urbana |
Illinois |
| University of Illinois Extension |
Belleville |
Illinois |
| Purdue University |
Lafayette |
Indiana |
| Armstrong Research Farm - ISU |
Lewis |
Iowa |
| Better Homes & Gardens |
Des Moines |
Iowa |
| Iowa State University - Reiman Garden |
Ames |
Iowa |
| Iowa State University Polk County Extension |
Des Moines |
Iowa |
| Plantpeddler |
Cresco |
Iowa |
| Walkabout Gardens |
Nevada |
Iowa |
| Kansas State University |
Olathe |
Kansas |
| LSU Agricultural Center Hammond |
Hammond |
Louisiana |
| University of Maine Cooperative Extension |
Orono |
Maine |
| University of Maryland Eastern Shore |
Princess Anne |
Maryland |
| Elm Bank Trial Garden |
Wellesley |
Massachusetts |
| Michigan State University |
East Lansing |
Michigan |
| Raker Trial Garden |
Litchfield |
Michigan |
| The Dow Gardens |
Midland |
Michigan |
| University of Minnesota |
Morris |
Minnesota |
| University of Minnesota |
Minneapolis |
Minnesota |
| University of Minnesota |
Grand Rapids |
Minnesota |
| University of Minnesota Extension |
Farmington |
Minnesota |
| Mississippi State University |
Poplarville |
Mississippi |
| Mississippi State University |
Crystal Springs |
Mississippi |
| North Mississippi Research & Extension |
Verona |
Mississippi |
| Missouri Botanical Garden |
St. Louis |
Missouri |
| Powell Gardens |
Kingsville |
Missouri |
| Southeast Missouri State University |
Cape Girardeau |
Missouri |
| Southwest Missouri State University |
Springfield |
Missouri |
| University of Missouri |
Columbia |
Missouri |
| Metrolina Trial Garden |
Huntersville |
North Carolina |
| North Carolina State University |
Raleigh |
North Carolina |
| North Dakota State University |
Fargo |
North Dakota |
| The Rutgers Gardens |
New Brunswick |
New Jersey |
| Cornell Cooperative Extension - Suffolk County |
Long Island |
New York |
| Cornell Cooperative Extension |
East Meadow |
New York |
| Cornell University |
Ithaca |
New York |
| Erie Basin Marina |
Buffalo |
New York |
| Gateway Learning Garden |
Springfield |
Ohio |
| The Cincinnati Zoo |
Cincinnati |
Ohio |
| Ohio State University |
Columbus |
Ohio |
| Oklahoma State University |
Oklahoma City |
Oklahoma |
| Clackamas Community College |
Oregon City |
Oregon |
| Oregon State University |
Corvallis |
Oregon |
| Longwood Gardens |
Kennet Square |
Pennsylvannia |
| Penn State University |
Dauphin (Landisville) |
Pennsylvannia |
| Brookgreen Gardens |
Pawleys Island |
South Carolina |
| South Dakota State University |
Brookings |
South Dakota |
| University of Tennessee |
Knoxville |
Tennessee |
| University of Tennessee |
Jacksonville |
Tennessee |
| Texas A & M - College Station |
College Station |
Texas |
| Texas A & M University |
Overton |
Texas |
| The Dallas Arboretum & Botanic Garden |
Dallas |
Texas |
| United States Botanic Garden |
Washington D.C. |
Washington D.C. |
| Boerner Botanic Garden |
Hales Corners |
Wisconsin |
| Rotary Gardens |
Janesville |
Wisconsin |
| The Allen Centennial Gardens |
Madison |
Wisconsin |
| West Madison Agricultural Research Station |
Verona |
Wisconsin |
| University of Wyoming |
Sheridan |
Wyoming |