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Herbaceous Perennial

Phlox paniculata 'Nirvana'
  • RHS Plants for pollinators

An upright perennial, to around 70cm high, with thin, lance-shaped green leaves. Rounded clusters of fragrant flowers are produced in summer, with dark pink tubes and white faces with pink central eyes

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Pink Green
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Polemoniaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy, Columnar upright
Genus

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

Name status

Accepted

How to grow

Cultivation

Thrives in any fertile, humus rich, moist soil in full sun or part shade

Propagation

Propagate by division in autumn or spring, by basal softwood cuttings in spring or by root cuttings in early autumn or winter

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Cut flowers
Pruning

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

Pests

May be susceptible to stem and bulb eelworm

Diseases

May be susceptible to powdery mildews and leaf spot

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