| 0 | 1826732 | PI 658494 | 'Munchkin' | Hydrangea quercifolia W. Bartram | Tennessee, United States | Not Available | | 0 | sample size=40 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | PI 658494 ** |
| 1 | 2106200 | WLP 2490 | Angus Gholson Nature Park | Hydrangea quercifolia W. Bartram | Florida, United States | Not Available |  | 0 | sample size=61 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2490 ** |
| 2 | 2106210 | WLP 2500 | Trace State Park | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | 0 | sample size=52 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2500 ** |
| 3 | 2106213 | WLP 2503 | Jeff Busby Park | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | 0 | sample size=55 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2503 ** |
| 4 | 2106215 | WLP 2505 | Old U.S. 84 | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | 0 | sample size=38 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2505 ** |
| 5 | 2106217 | WLP 2507 | LeFleur's Bluff State Park | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | 0 | sample size=75 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2507 ** |
| 6 | 2106245 | WLP 2535 | Little River Canyon | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | 0 | sample size=25 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2535 ** |
| 7 | 2106253 | WLP 2543 | Red Bluff | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | 0 | sample size=59 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | WLP 2543 ** |
| 8 | 2150926 | NA 77100 | 'Alice' | Hydrangea quercifolia W. Bartram | 0 | Not Available | | 0 | sample size=41 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | NA 77100 ** |
| 9 | 2150927 | NA 77101 | 'Flemygea' | Hydrangea quercifolia W. Bartram | 0 | Not Available | | 0 | sample size=45 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | NA 77101 ** |
| 10 | 2151676 | NA 79211 | 'Pee Wee' | Hydrangea quercifolia W. Bartram | 0 | Not Available | | 0 | sample size=36 | More than 50% of stem samples were killed at the warmest test temperature (0°C). | NA 79211 ** |
| 11 | 2106228 | WLP 2518 | River Bluff Recreational Area | Hydrangea quercifolia W. Bartram | Georgia, United States | |  | -10.577 | sdev=5.33062; sample size=64 | Standard error is reported here rather than standard deviation. | WLP 2518 ** |
| 12 | 2106203 | WLP 2493 | Gullets Bluff Park | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -10.978 | sdev=3.07325; sample size=70 | Standard error is reported here rather than standard deviation. | WLP 2493 ** |
| 13 | 2106246 | WLP 2536 | James H. Floyd State Park | Hydrangea quercifolia W. Bartram | Georgia, United States | |  | -14.4392 | sdev=4.72594; sample size=64 | Standard error is reported here rather than standard deviation. | WLP 2536 ** |
| 14 | 2106209 | WLP 2499 | Rock Island State Park | Hydrangea quercifolia W. Bartram | Tennessee, United States | | | -14.4668 | sdev=4.76317; sample size=74 | Standard error is reported here rather than standard deviation. | WLP 2499 ** |
| 15 | 2106244 | WLP 2534 | Rocky Branch Public Use Area | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -18.4133 | sdev=3.87175; sample size=56 | Standard error is reported here rather than standard deviation. | WLP 2534 ** |
| 16 | 1910274 | PI 668118 | 'Queen of Hearts' | Hydrangea quercifolia W. Bartram | Tennessee, United States | Not Available | | -2.03806 | sdev=6.09268; sample size=40 | Standard error is reported here rather than standard deviation. | PI 668118 ** |
| 17 | 2106222 | WLP 2512 | Kisatchie National Forest | Hydrangea quercifolia W. Bartram | Louisiana, United States | |  | -20.9433 | sdev=3.45308; sample size=34 | Standard error is reported here rather than standard deviation. | WLP 2512 ** |
| 18 | 2106220 | WLP 2510 | Tunica Hills | Hydrangea quercifolia W. Bartram | Louisiana, United States | |  | -21.0107 | sdev=9.22378; sample size=55 | Standard error is reported here rather than standard deviation. | WLP 2510 ** |
| 19 | 2106234 | WLP 2524 | Coon Creek Forever Wild Tract | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -21.1774 | sdev=4.88089; sample size=58 | Standard error is reported here rather than standard deviation. | WLP 2524 ** |
| 20 | 2106258 | WLP 2548 | Choctaw Wildlife Management Area | Hydrangea quercifolia W. Bartram | Mississippi, United States | |  | -23.5067 | sdev=7.59977; sample size=67 | Standard error is reported here rather than standard deviation. | WLP 2548 ** |
| 21 | 1826731 | PI 658493 | 'Ruby Slippers' | Hydrangea quercifolia W. Bartram | Tennessee, United States | Not Available | | -25 | sample size=46 | Less than 50% of stem samples were killed at the lowest test temperature (-25°C). | PI 658493 ** |
| 22 | 2106205 | WLP 2495 | Natural Bridge Park | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -25 | sample size=48 | Less than 50% of stem samples were killed at the lowest test temperature (-25°C). | WLP 2495 ** |
| 23 | 2106226 | WLP 2516 | Solon-Dixon Forestry Center | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -25 | sample size=65 | Less than 50% of stem samples were killed at the lowest test temperature (-25°C). | WLP 2516 ** |
| 24 | 2106235 | WLP 2525 | Chewacla State Park | Hydrangea quercifolia W. Bartram | Alabama, United States | Not Available |  | -25 | sample size=65 | Less than 50% of stem samples were killed at the lowest test temperature (-25°C). | WLP 2525 ** |
| 25 | 2106204 | WLP 2494 | Oak Mountain State Park | Hydrangea quercifolia W. Bartram | Alabama, United States | |  | -5.76944 | sdev=11.511; sample size=51 | Standard error is reported here rather than standard deviation. | WLP 2494 ** |