Distribution of Values for
Winter hardiness (WINTERHARD)
| Code | Definition | Number of Accessions |
| 1 | All plants frost hardy | 54 |
| 2 | (1 = All plants frost hardy, 9 = All plants killed) | 1 |
| 3 | (1 = All plants frost hardy, 9 = All plants killed) | 2 |
| 5 | Medium | 14 |
| 7 | (1 = All plants frost hardy, 9 = All plants killed) | 3 |
| 9 | All plants killed | 21 |