Growing tomatoes. How to grow tomatoes in the garden and in containers. Tomato plants can be grown from either seed or seedlings in the ground or in pots or maybe try growing tomatoes in a greenhouse, hothouse or outdoors in the vegetable gardens is one of the great challenges of gardening. How to grow tomatoes that have taste and texture is a gardeners dream. With so many varieties of tomatoes and so many different techniques we offer a guide on how to grow the best tomato plants.