cold stratification
[/koʊld ˌstrætɪfɪˈkeɪʃən/]
nounpl: cold stratifications
estratificação a frio
1. A seed treatment process in which seeds are exposed to prolonged cold and moist conditions to break dormancy and promote germination
Many perennial plants require cold stratification during winter to germinate in spring.
Muitas plantas perenes exigem estratificação a frio durante o inverno para germinar na primavera.
2. The technique of simulating natural winter conditions by keeping seeds moist and cold for a specific period
The gardener applied cold stratification to the wildflower seeds for six weeks in the refrigerator.
O jardineiro aplicou estratificação a frio nas sementes de flores silvestres por seis semanas na geladeira.
Cold stratification is a fundamental technique in horticulture and seed propagation in both Brazil and the United States. It is particularly important in temperate and subtropical gardening where seasonal changes trigger seed germination. This practice mimics natural winter conditions and is essential for many native plants and wildflowers.
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