This time-lapse shows the cold-stratified process and how a chestnut tree growing from a seed to a young plant. We started ...

Some seeds, such as lavender and milkweed, require a period of cold before they will sprout. Gardeners can mimic this natural process, called cold stratification, either outdoors or indoors. Indoor ...

Did you know some seeds need the cold before sprouting? There are many herbs, flowers, and tree seeds that need it. Examples include catnip, milkweed, coneflower, lavender, and many wildflowers. As ...