• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Phlox paniculata 'Brigadier'

Perennial phlox 'Brigadier'

Perennial phlox 'Brigadier'

© � RHS

  • Other common names Perennial phlox 'Brigadier'

  • Genus Phlox may be evergreen or herbaceous, mat-forming or erect perennials or shrubs, with simple leaves and salver-shaped flowers in terminal clusters

  • Family Polemoniaceae / Polemoniaceae

  • Species 'Brigadier' is an erect herbaceous perennial to 90cm in height, with dark green, lance-shaped leaves and large terminal clusters of scented, bright orange-red flowers in summer and early autumn


  • Foliage Deciduous

  • Habit Clump-forming

  • Fragrance Flower



  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing or West-facing

  • Exposure Sheltered or Exposed


  • Chalk


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilClay, Loam, Chalk

  • pHAlkaline, Neutral, Acid


  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Grow in fertile, moist soil in full sun or partial shade

Propagation Propagate by division in autumn or spring. Propagate by basal cuttings spring or propagate by root cuttings in early autumn or winter

Suggested planting locations and garden types Flower borders and beds Cut Flowers Cottage & Informal Garden

How to care

Pruning Deadhead to prolong flowering then cut down to the base in late autumn

Pests Generally pest free

Diseases May be subject to a downy mildew and a leaf spot

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