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Alpine Rockery

Phlox douglasii 'Waterloo'

phlox 'Waterloo'

A compact, low-growing evergreen perennial, forming a dense mound of narrow, dark green leaves. Deep pink flowers with darker eyes are held above the foliage in late spring and early summer

Synonyms
Phlox 'Waterloo'
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Size
Ultimate height
Up to 10cm
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Pink Green
Summer Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed
Hardiness
H6
Botanical details
Family
Polemoniaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Bushy, Matforming
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

Unresolved

How to grow

Cultivation

Grow in fertile, moist soil in full sun or partial shade. See phlox cultivation for further advice

Propagation

Propagate by softwood cuttings of non-flowering stems in spring

Suggested planting locations and garden types
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Garden edging
  • Ground cover
  • Banks and slopes
Pruning

No pruning required, though plants can be trimmed back after flowering to rejuvenate and shape

Pests

Generally pest-free

Diseases

May be susceptible to powdery mildews and leaf spot

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.