I filled my barrels with ‘Santa Cruz Sunset’ begonias again this year because the plants bloom for 6 months or more, and other than watering them from time to time, they need absolutely no care or attention from me. They are the perfect container plant.
Usually the scarlet-red flowers bloom in a narrow tube-shape like this:
In the last few weeks some of my plants have even produced fully-open flowers:
‘Santa Cruz’ begonias grow 12 to 15 inches tall with healthy, dark-green foliage that sets off those scorching-red flowers.
Most begonias are happiest in shade or part-shade conditions, but this one can even handle full sun.