Season lowest lethal temperature values for each region during winter of 2012-2013 are listed in separate tables below. Clicking on a variety name will bring up individual graphs of minimum/maximum temperatures and seasonal change in bud lethal temperatures.
Seasonal Bud Mortality for each variety/site can also be found on the graphs.
NYS Agricultural Experiment Station (Weekly samples)
| Date | Location | Variety | LT10 | LT50 | LT90 |
|---|---|---|---|---|---|
| 4/15/2013 | Geneva | Cabernet Franc | 12.5 | 8.1 | -5.8 |
| Noiret | 14.5 | 11.2 | 8.8 | ||
| Concord | 14.1 | 11.1 | 7.4 | ||
| Riesling | 9.2 | 6.7 | 2.5 |
Finger Lakes - Commercial Vineyards
| Date | Location | Variety | LT10 | LT50 | LT90 |
|---|---|---|---|---|---|
| 4/15/13 | East Keuka | Cabernet Franc | 19.3 | 14.9 | 10.8 |
| Cayuga White | - | - | - | ||
| Concord | - | - | - | ||
| Riesling | 17.1 | 14.3 | 10.8 | ||
| 4/15/13 | East Seneca | Cabernet Franc | -1.0 | -4.9 | -8.4 |
| Cayuga White | 12.8 | 3.1 | -6.3 | ||
| Concord | 17.2 | 11.6 | 1.9 | ||
| Riesling | 12.7 | 9.0 | 4.9 | ||
| 4/15/13 | West Keuka | Cabernet Franc | 18.4 | 13.6 | 9.5 |
| Cayuga White | - | - | - | ||
| Concord | 22.1 | 16.9 | 13.4 | ||
| Riesling | 10.4 | 4.4 | 0.7 | ||
| 4/15/13 | West Seneca | Cabernet Franc | 21.8 | 17.8 | 7.5 |
| Cayuga White | 17.3 | 8.1 | 3.2 | ||
| Concord | 19.6 | 14.1 | 0.3 | ||
| Riesling | 16.5 | 12.7 | 7.1 | ||
| 4/15/13 | West | Riesling | 12.3 | 6.7 | 3.1 |
| Canandaigua | Concord | 21.7 | 13.9 | 11.0 | |
| 4/15/13 | West Cayuga | Cab Franc | 13.3 | 9.5 | -6.9 |
| Catawba | 18.5 | 13.3 | 10.4 | ||
| Cayuga White | 11.5 | 6.8 | -1.4 | ||
| Riesling | 8.8 | 6.4 | -3.7 |
Lake Erie Region (West To East)
| Date | Location | Variety | LT10 | LT50 | LT90 |
|---|---|---|---|---|---|
| 4/17/13 | Portland | Cab Franc | 18.9 | 14.4 | 10.5 |
| 4/17/13 | Riesling | 14.1 | 12.0 | 10.2 | |
| 4/17/13 | Niagara | 20.6 | 15.6 | 5.7 | |
| 4/17/13 | Concord | 20.7 | 16.4 | -3.5 | |
| 4/17/13 | Traminette | 16.6 | 11.3 | 7.7 | |
| 4/17/13 | Noiret | 22.6 | 17.1 | 12.5 |
Hudson Valley
| Date | Location | Variety | LT10 | LT50 | LT90 |
|---|---|---|---|---|---|
| 4/16/13 | Hudson | Cab Franc | 19.0 | 16.5 | 12.6 |
| 3/25/13 | Concord | 3.7 | -0.2 | -3.5 | |
| 4/16/13 | Noiret | 23.2 | 19.8 | 15.4 | |
| 4/16/13 | Riesling | 16.9 | 15.1 | 13.1 | |
| 4/16/13 | Traminette | 19.4 | 12.9 | 10.8 | |
| 4/16/13 | Pinot noir | 20.1 | 17.6 | 14.4 |
Bud hardiness testing in other regions:
Thanks to the Lake Erie Regional Grape Program, Inc. and the New York Wine and Grape Foundation for funding this project. Special thanks to Lynn Mills and Markus Keller of Washington State University for sharing the template used to generate the graphs.
- Ontario: Brock University CCOVI Bud Hardiness
- Washington State University