Begonias are very popular plants because begonia care is so easy. Another endearing quality is the fact that they can grow equally well either outside or inside. There are basically only two types of begonias that are grown at home. These are tuberous begonias or wax begonias. Typically, wax begonias are used as bedding plants. They are grown outside as annuals. Wax begonias have flowers that are single or double-sided, but these can vary in size, with many newer hybrids having flowers that are three inches in diameter. They like to have soil that is well-drained. They like to be in the sun but not too much sun. That means if you live in an extremely warm or dry location, you will want to plant your begonias where they will be shaded at the hottest part of the day.