Begonia Malculata. Begonia maculata, or Polka Dot begonia as it’s often called, is a splashy show-stopper that looks fantastic with it’s olive green leaves and contrasting spots. It’s a houseplant that is likely to turn heads in your home, and thankfully it isn’t too difficult to care for. Bright, indirect light. Higher light levels will promote strong growth and blooms, but avoid direct sunlight Keep the soil generally moist, letting the top half inch of soil dry out between watering. Will not tolerate soggy soil.