A new and distinct cultivar of Dahlia plant named ‘BKDAMPE’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large semi-double inflorescences with red purple-colored ray florets.

A new and distinct cultivar of Dahlia plant named ‘BKDAMDR’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large semi-double inflorescences with dark red-colored ray florets.

A new and distinct cultivar of Dahlia plant named ‘BKDAMWT’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large semi-double inflorescences with white-colored ray florets.

A new and distinct cultivar of Dahlia plant named ‘BKDAMYL’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large semi-double inflorescences with bright yellow-colored ray florets.

A new and distinct cultivar of Dahlia plant named ‘BKDAMGE’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large semi-double inflorescences with bright yellow and red bi-colored ray florets.

A new and distinct cultivar of Dahlia plant named ‘BKDAOBI’, characterized by its broadly upright plant habit; freely basal branching habit; dense and bushy growth habit; medium-sized dark green-colored leaves; and large decorative inflorescences with orange and red bi-colored ray florets.

A new Dahlia plant designated ‘KLEDH20215’ particularly distinguished by a dark pink-purple flower color and a medium earliness, is disclosed.

A new and distinct cultivar of Dahlia plant named ‘Baldenire’, characterized by its semi-double, anemone-type, light red and medium yellow colored inflorescences, dark green-colored foliage, and vigorous, upright-mounded growth habit, is disclosed.

A new and distinct cultivar of Dahlia plant named ‘BKDAMPI’, characterized by its upright to somewhat outwardly spreading and sturdy plant habit; moderately vigorous growth habit; freely branching habit; dense and bushy growth habit; dark green-colored leaves; freely flowering habit; large, decorative type inflorescences with purplish pink-colored ray florets; and good garden performance.

A new Dahlia plant designated KLEDH18127 particularly distinguished by light pink inflorescences, is disclosed.