Home / Field Notes/ Seeds And Stratification/ Winter Winter field notes Seed Stratification and Germination: Winter Field Notes Browse more notes Field note I use pine cones for houseplant mulch Oak Summit Nursery · Southern Manitoba I use pine cones for houseplant mulch. fun when one germinates, ephemeral though. More from the nursery More Seeds And Stratification See all notes Here are some seeds that I stratified in sand this winter Read field note → Germination test on locally collected Caragana seeds at 4 days, looking good Read field note →