A new and distinct cultivar of Begonia plant named KRBEVCH01 characterized by its upright to outwardly spreading and mounded plant habit; moderately vigorous growth habit; freely flowering habit; semi-double type flowers that are red in color and held above and beyond the foliar plane; and excellent postproduction longevity.

A new and distinct cultivar of Begonia plant named KRILORW01 characterized by its upright to outwardly spreading and mounded plant habit; moderately vigorous growth habit; freely flowering habit; double type flowers that are red and light green to white in color and held above and beyond the foliar plane; and excellent postproduction longevity.

A new and distinct cultivar of Begonia plant named KRHAIPE01 characterized by its upright to outwardly spreading and mounded plant habit; moderately vigorous growth habit; freely flowering habit; double type flowers that are light salmon red in color and held above and beyond the foliar plane; and excellent postproduction longevity.

A new and distinct cultivar of Begonia plant named KRBEVPE02 characterized by its upright to outwardly spreading and mounded plant habit; moderately vigorous growth habit; freely flowering habit; semi-double type flowers that are light orange and light red in color and held above and beyond the foliar plane; and excellent postproduction longevity.

A new and distinct form of Begonia plant characterized by broad, maple-shaped leaves of glowing silver-white with mint green in a starry pattern along the veins, bright red-pink sterile flowers, an upright, bushy habit (perfect as a container plant), a vigorous and well-branched bushy habit, and excellent vigor.

A new and distinct cultivar of Begonia plant named KRBELSS01 characterized by its upright to broadly spreading and uniformly mounded plant habit; moderately vigorous growth habit; freely basal branching habit; showy leaves with black and greyed purple-colored centers surrounded by green to greyed green-colored splotches and spots with greyed purple-colored margins; and excellent postproduction longevity.

A new and distinct cultivar of Begonia plant named Fibegosora, characterized by its upright to spreading and mounded plant habit; relatively compact; freely basal branching habit; dark purple-colored leaves; freely and continuously flowering habit; and double flowers that are bright orange in color.

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

A new and distinct cultivar of Begonia plant named Fibegunfiki, characterized by its upright to spreading and mounded plant habit; relatively compact; freely basal branching habit; dark green-colored leaves; freely and continuously flowering habit; and semi-double flowers that are deep pink in color.

A new Begonia plant named BEYZ0001 particularly distinguished by its rounded, compact and symmetrical habit, double flowers that are soft deep pink in color with very dark mahogany glossy foliage. BEYZ0001 blooms continually from early spring onward and has freely produced basal and lateral branching.