Phlox paniculata 'Katherine'

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  RHS Plants for Pollinators plants

  This plant will provide nectar and pollen for bees and the many other types of pollinating insects.

  It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.

  • Garden Plants
  • Wildflowers
  • Plants of the World

Cultivation

Grow in fertile, humus-rich, moisture-retentive soil in full sun, and every autumn add a thick mulch of organic material to help preserve soil moisture

Propagation

Propagate by division in autumn or spring, by basal cuttings in spring or by root cuttings from early autumn to spring; root cuttings are the best method to ensure healthy plants

Suggested planting locations and garden types

• Cottage and informal garden
• City and courtyard gardens
• Prairie planting
• Wildlife gardens
• Flower borders and beds
• Cut flowers

Pruning

Deadhead to prolong flowering; cut down to the base in late autumn and remove the cut stems, to reduce the risk of eelworm and mildew the following year

Pests

May be susceptible to slugs, snails, aphids, and phlox stem eelworm but generally pest free

Diseases

May be susceptible to crown gall, leafy gall, fungal leaf spot, and Verticillium wilt; said to be resistant to powdery mildews but generally disease-free