Distribution of Values for
048 Winter hardiness (field - survive) (048 WINTER HARDINESS (FIELD - )
| Code | Definition | Number of Accessions |
| 1 | very low <20 % | 40 |
| 2 | very low - low 20-30 % | 33 |
| 3 | low 31-40 % | 54 |
| 4 | low - intermediate 41-50 % | 61 |
| 5 | intermediate 51-60 % | 149 |
| 6 | intermediate - high 61-70 % | 272 |
| 7 | high 71-80 % | 765 |
| 8 | high - very high 81-90 % | 1612 |
| 9 | very high >90 % | 1343 |