If you've been on TikTok recently, you'll undoubtedly have stumbled across one of the many videos of people growing lemon trees from seeds they've germinated in paper towels. The process is easy enough: clean your seeds, wrap them in wet paper towels, seal them in a ziploc bag, and stash them somewhere warm and dry until they sprout. Just be sure to keep the towels moist, and your seeds separate, to avoid overcrowding.