Begonias are tender perennials, grown for their colorful flowers and foliage. They are indigenous to tropical climates so in Ontario potted begonias are produced and sold as annuals. Most begonias can be grown outdoors in containers, garden beds or hanging baskets or indoors as houseplants. They are Ontario’s 7th most important flowering potted plant crop.
There are many types of begonias but the tuberous-rooted varieties are especially common in cooler parts of the temperate zone like Ontario. They produce large showy flowers on small upright or cascading plants. Begonias have male and female flowers on the same plant. The female flowers are noticeable for the three winged ovary at the base of the petals whereas the male flowers usually have only two petals.
The foliage is very attractive, featuring large, smooth, lobed leaves. This plant enjoys filtered light but can take some sun in winter. Soil should ideally be moist but allowed to dry between waterings. Potted begonias like humid environments such as bathrooms. Pinching tips and pruning outer stems in the growing season results in a bushier plant. Remove dead foliage and flowers to prevent disease.
Pick Ontario potted begonias from January through August.
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