Division (79) Frost damage of needles, leaves or flowers
United Kingdom
Damage of needles, leaves or flowers caused by late frost in spring should be recorded using the following classification:
0 1 2 3 4
0 %
>0 – 33 %
>33 – 66 %
>66 - <100 %
100
If significant signs of leaf or crown damage (event code 6) or other damage (event code 7) are observed, then an additional assessment should be made according to the submanual on crown condition and its guidelines for the assessment of the causes of damage.