Begonia care indoors. The plant contains soluble calcium oxalates which are toxic to cats and dogs. Although rex begonias are sure to bring a bit of an exotic and tropical appeal to your indoor spaces use caution where you decide to place them. Pruning is done in the spring in this climate. Many experts suggest you actually wait until the plant shows signs of being dry such as drooping leaves before you water them.
Water the begonia until water is moist but not soggy. Water your plants when the surface of the potting soil feels dry to the touch. Rex begonias do well in bright indirect light. Once the weather gets too cold outside you can bring your begonias indoors and grow them as houseplants.
Heck many types will even grow great indoors all year round. Remove tuber from the soil when the plant is spent and allow it to dry for a few days. Begonias grown indoors are especially susceptible to root rot and overwatering. Water your plant until water runs out of the drainage holes.
A note of caution for indoor rex begonia care. The ideal indoor growing temperature for begonias is 66 to 73 degrees fahrenheit. Some direct sun is okay for short times especially if it is from an eastern window that has morning sun which is gentler. Store tuber in a cool dark location in a box with peat moss until the start of the next growing cycle.
In warm climates begonias may bloom year round. When you take care of begonias make sure that you only water them when they need to be watered. In cooler climates they can be brought indoors and treated like houseplants during the winter. Begonias are also popular because they are so low maintenance.
Start the container indoors in cooler locations and then move outside once temperatures are warmer. They do best in a home that is kept between 65 75f.