Lemon, kumquat, tangerine, lime, and their hybrids. It is not at all easy to grow a citrus tree at home: the plants are often naughty, get sick, do not bloom and do not bear fruit. And they are also very fond of various parasites, especially the spider mite. But still, picking a lemon or orange grown with your own hands is quite real. You just need to take care of indoor citrus as carefully as possible, listening to the advice of experienced people.