Home / Field Notes/ Seeds And Stratification/ Winter Part of the Winter collection Seed Stratification and Germination: Winter Field Notes Browse the full collection Field note I use pine cones for houseplant mulch Oak Summit Nursery ยท Southern Manitoba I use pine cones for houseplant mulch. fun when one germinates, ephemeral though. From the same Winter story Continue through the Seeds And Stratification notes View the full compilation Here are some seeds that I stratified in sand this winter Read field note โ Germination test on locally collected Caragana seeds at 4 days, looking good Read field note โ