A new and distinct cultivar of Begonia plant named KROUTYE01, characterized by its broadly upright to spreading and mounded plant habit; moderately vigorous to vigorous growth habit; moderately freely branching habit; dark greyed green-colored leaves; large single-type light yellow-colored flowers that are positioned above and beyond the foliar plane; and continuous flowering throughout the summer.

A new and distinct cultivar of Begonia plant named Kerbespicup, characterized by its broadly upright to semi-trailing plant habit; roughly globular in plant form; moderately vigorous growth habit; freely basal branching habit; dark green-colored leaves; freely flowering habit; fragrant flowers; and large mostly double-type and occasional single-type flowers that are bright yellow in color.

A new and distinct cultivar of Begonia plant named BKPBEESM, characterized by its broadly upright and mounded plant habit; sturdy plants with freely basal branching habit; dark green-colored leaves; uniform and freely flowering habit; and double flowers that are yellowish orange to yellowish pink in color with light red-colored margins.

A new and distinct cultivar of Begonia plant named BKPBEMCRG, characterized by its broadly upright and mounded plant habit; sturdy plants with freely basal branching habit; dark green-colored leaves; uniform and freely flowering habit; and single flowers that are red in color.

A new and distinct cultivar of Begonia plant named KRSWEWH01 characterized by its compact, broadly upright and mounded plant habit; moderately vigorous growth habit; moderately freely branching habit; dark green to greyed green-colored leaves; freely flowering habit; double-type male flowers that are white in color and held above and beyond the foliar plane; and good postproduction longevity.

A new and distinct cultivar of Begonia plant named KRSWESA01 characterized by its compact, broadly upright and mounded plant habit; moderately vigorous growth habit; moderately freely branching habit; dark green to greyed green-colored leaves; freely flowering habit; semi-double to double-type male flowers and single-type female flowers that are light salmon red in color and held above and beyond the foliar plane; and good postproduction longevity.

A new and distinct cultivar of Begonia plant named KROUTRE01, characterized by its broadly upright and mounded plant habit; moderately vigorous growth habit; moderately freely branching habit; dark greyed green-colored leaves; large single-type red-colored flowers that are positioned above and beyond the foliar plane; and continuous flowering throughout the summer.

A new and distinct cultivar of Begonia plant named KROUTWH01, characterized by its broadly upright and mounded plant habit; moderately vigorous growth habit; moderately freely branching habit; dark green-colored leaves; large single-type white-colored flowers variably blushed with red purple that are positioned above and beyond the foliar plane; and continuous flowering throughout the summer.

A new and distinct cultivar of Begonia plant named Dobegicposunris, characterized by its upright to spreading and mounded and relatively compact plant habit; moderately vigorous growth habit; freely basal branching habit; dark greyed green-colored leaves; freely and continuously flowering habit; and large double and single flowers that are dark yellow and orange red in color.

A new and distinct cultivar of Begonia plant named Dobegicpocor, characterized by its upright to spreading and mounded and relatively compact plant habit; moderately vigorous growth habit; freely basal branching habit; dark greyed green-colored leaves; freely and continuously flowering habit; and large double and single flowers that are red in color.