Tomato seedlings grow fast and are hungry feeders, so keep them in vigorous growth by potting on as soon as they have rooted through their containers. The more space they’re given in the greenhouse, the stronger they’ll be, as tightly packed plants tend to be drawn upwards with weak stems. You can sow tomatoes into April, so if you haven’t started them off yet, take a look at our tried and tasted favourite tomato cultivars, to help you decide. Growing tomatoes in grow bags? Watch this quick
