What Is Seed Stratification? Plus, How to Stratify Seeds for Planting
Some seeds need to be kept cold before they will sprout. JJ Gouin / Getty Images Plants often have ways to protect young seedlings from harsh environments. Which Seeds Need Cold Stratification? Credit:JJ Gouin / Getty Images Theseeds of most annual garden flowersand vegetables require no stratification. However, many trees, shrubs, perennials, and wildflowers will only germinate after their seeds are stratified. However, if youplan to plant in spring, you better stratify the seed before sowing outdoors....