Tuberous begonias also may be planted directly into the garden. Keep in mind, they do not like hot sun. In warm climates, place plants in beds that receive filtered, indirect sunlight. Keep away from direct sunlight, midday heat and out of the wind. In cooler climates, direct morning and afternoon sun is okay, but avoid windy areas.
Wind can dry out the plants.
Most upright-flowering plants will need staking. Be careful not to damage the roots with the stake. Apply ties gently to prevent stem injury. For container plantings, tuberous begonias do not like much root space. Depending on the size of the plant, an 8-inch pot is plenty large for individual plants.