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1. The induction of flowering by prolonged exposure to low temperatures, as during the winter in a temperate climate.
2. The exposure of seeds or plants to low temperatures in order to induce or hasten flowering.

ver′nal·ize′ v.
References in periodicals archive ?
The hybrid nature of the seeds was confirmed by planting, vernalizing, and growing to maturity the putative hybrid plants and verifying the 3:1 ratio (blue to non-blue) expected for this single-gene, dominant trait (Keppenne and Baenziger, 1990) in the [F.sub.2] population.
Although winter races would be expected to reach anthesis earlier than spring types in a transitional zone, odd years without a sufficient vernalizing cold period, for example, might result in concurrent maturation of winter and spring races.