frost hazard

frost hazard

[′frȯst ‚haz·ərd]
(meteorology)
The risk of damage by frost, expressed as the probability or frequency of killing frost on different dates during the growing season, or as the distribution of dates of the last killing frost of spring or the first of autumn.
References in periodicals archive ?
Trees were sampled in 2010 during the period of peak frost hazard when buds were in the first bloom or to late bloom stage.