When roots come through the drainage holes put into a 12.5cm (5in) pot. Unless you're growing a bush tomato, the aim is to create a single-stemmed plant. To do this, snap out shoots that grow in ...
If you're growing tomatoes in pots, fill the base tray with water so the plant can pull it up from the bottom. Always water the base of the plant and not the leaves as this can cause pests and ...