Nicotiana seeds are tiny. Like dust tiny. So don't cover them. They need light to germinate. Press them onto the surface of moist compost, pop on a propagation lid, and keep them NYS Horticulture Study Guide For Youth Japanese Maple Seeds Mendocino Maples Nursery Meet the Easy Care ZZ Plant Mulhall's Primrue 3 Piece Artificial Succulent Plant in Planter Set Wayfair A Simple Guide to Growing Succulents in Water Tips for Growing Succulents in Water Succulents Box