Lowest temperature tested (°F.) that did not result in severe injury of stem tissue of Pyrus taxa 1/.
| Taxa | Date tested | ||
|---|---|---|---|
| 10/22 | 11/14 | 01/14 | |
| Pyrus calleryana | |||
| ‘Aristocrat’ | + 6.8 | -4.0 | -32.8 |
| ‘Autumn Blaze’ | + 6.8 | -4.0 | -29.2 |
| ‘Bradford’ | +24.8 | + 3.2 | -14.8 |
| ‘Capital’ | +21.2 | -7.6 | -18.4 |
| ‘Chanticleer’ | + 3.2 | -7.6 | -22.0 |
| ‘Redspire’ | +17.6 | + 3.2 | -25.6 |
| ‘White House’ | +21.2 | + 3.2 | -22.0 |
| Pyrus calleryana fauriei | +14.0 | -4.0 | -25.6 |
| Pyrus Regelii ‘Angel Wing’ | +14.0 | -14.8 | -32.8 |
↵1/ Pellett, Harold and Steve McNamara. 1991. Landscape Plant News 2(1):4-5)