Even small space gardeners can enjoy a crop of homegrown spinach when you plant in pots. For the longest harvest, sow more seeds every two weeks in spring. For in depth advice on growing spinach in How to Make a DIY Terra Cotta Pot Candle Heater HGTV Growing cannabis at home. A female marijuana plant in a pot, starting to form white stigmas, the earliest flowering stage Stock Photo Alamy Park Hill Galvanized Lined Wooden Planters, Set of 2 Catnip Herb Seeds For Planting (Nepeta cataria) Seed Needs Seed Needs LLC Root & Vessel Lena Round Planter, Set of Three, Gray