[header] How to grow eggplants in pots [title] Purchase small pots or plastic gardening trays if starting your eggplants from seed. [step] You need one pot for every two seeds. Seedling trays and other containers made of cheap plastic may make it easier to transfer your seedlings into larger pots later on. 
[title] Choose a large pot to house your mature eggplant. [step] The pot must have a 5-gallon (20-liter) capacity, at minimum, and each eggplant should have approximately 1 foot (30.