Have you tried starting seeds in egg cartons? It sounds like a good idea but the small volume of soil is very limiting and can impact seedling health. I prefer to use Shallow Bowl HenFeathers Unbranded White Resin Hanging Basket, Hanging Planters for Indoor Outdoor Plants, Hanging Flower Pots with Self Watering, 2 Pack AAP383065 Urban Pumpkins: Growing Pumpkins in Smart Pots in the Backyard YouTube Dot Self Watering Plastic Pot Planter Size: 26" H x 26" W x 26" D, Color: Midnight Blue Crescent Garden Southern Exposure Seed Exchange This is what a Rhubarb seed pod looks like! To save rhubarb seeds, allow the flower stalks to mature and dry on the plant. Once the