Harvest the pods before the weather turns wet and rainy, because the water can cause the seeds to germinate. You don’t want that if you’re looking to save the seeds to plant next year. [5] X Research source
Leave the pods to dry for several days to a week, until the pods start splitting open. [6] X Research source A good place to dry the pods is a garage or dry basement.
When dried and stored properly, sweet pea seeds will last between one and three years.
