A new and distinct cultivar of Phlox plant named ‘Dophlosprisca’, characterized by its outwardly spreading to creeping and mounding plant habit; vigorous growth habit; freely flowering habit; large reddish purple-colored flowers with dark red-colored centers; and good garden performance.

A new and distinct cultivar of Phlox plant named ‘Dophlosprisca’, characterized by its outwardly spreading to creeping and mounding plant habit; vigorous growth habit; freely flowering habit; large reddish purple-colored flowers with dark red-colored centers; and good garden performance.

A new and distinct cultivar of Phlox plant named ‘Dophlosprisopi’, characterized by its outwardly spreading to creeping and mounding plant habit; vigorous growth habit; freely flowering habit; large light purplish pink-colored flowers with deep reddish purple-colored centers; and good garden performance.

A new and distinct cultivar of Phlox plant named ‘Dophlosprisopi’, characterized by its outwardly spreading to creeping and mounding plant habit; vigorous growth habit; freely flowering habit; large light purplish pink-colored flowers with deep reddish purple-colored centers; and good garden performance.

A new and distinct cultivar of Phlox plant named ‘Dophlowopi’, characterized by its upright to outwardly spreading and mounding plant habit; vigorous growth habit; freely flowering habit; large deep purplish pink-colored flowers; and good garden performance.

A new and distinct cultivar of Phlox plant named ‘Balsukaco’, characterized by its light purplish-pink colored flowers, medium green colored foliage, and vigorous, upright growth habit, is disclosed.

A unique cultivar of Tall Phlox named ‘Ultraviolet’ characterized by vigorous, tall, dense, upright, multi-stemmed, winter-hardy habit with dark-green, lanceolate leaves. Flowering on large heavily branched panicles begins in late-July and continues for up to five weeks completely covering the top of the plant in peak season. Petals are dark magenta-violet with a deep magenta eye. The new plant shows good powdery mildew resistance. The new plant is especially suitable for a cut flower, for the landscape as a potted plant and in the garden as a specimen or en masse.

A new and distinct cultivar of Polemonium plant named ‘Golden Feathers’, characterized by its upright to somewhat outwardly spreading and mounding plant habit; dense and bushy appearance; green and yellow green variegated leaves; freely flowering habit; light purple-colored flowers; good garden performance; and resistance to Powdery Mildew.

A new and distinct cultivar of Polemonium plant named ‘Golden Feathers’, characterized by its upright to somewhat outwardly spreading and mounding plant habit; dense and bushy appearance; green and yellow green variegated leaves; freely flowering habit; light purple-colored flowers; good garden performance; and resistance to Powdery Mildew.

A unique cultivar of Tall Phlox plant named ‘Backlight’ characterized by vigorous, dense, upright, multi-stemmed, winter-hardy habit with dark-green, lanceolate leaves. Flowering begins in late-July and continuing for up to five weeks in cooler weather conditions, on heavily-branched peduncles and completely cover the top of the plant in peak season. Petals are white with a pale yellow eye. The new plant shows excellent powdery mildew resistance. The new plant is especially suitable for a cut flower, for the landscape as a potted plant and in the garden as a specimen or en masse.