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Phlox subulata 'Emerald Cushion Blue'

moss phlox 'Emerald Cushion Blue'

A prostate, mat-forming evergreen alpine with needle-like green leaves. Flowers are lavender blue and appear in the spring and summer.

Synonyms
Phlox 'Emerald Cushion Blue'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Purple Blue Green
Summer Blue Purple Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Polemoniaceae
Native to the UK
No
Foliage
Evergreen
Habit
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

Accepted

How to grow

Cultivation

Grow in well-drained, fertile soil in full sun or in dappled shade

Propagation

Propagate by softwood cuttings in spring. Detach rooted pieces of stem in spring or early autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Gravel garden
  • Rock garden
  • Low Maintenance
  • Garden edging
Pruning

No pruning required

Pests

May be susceptible to eelworm (leaf and bud) and eelworm (stem and bulb)

Diseases

May be susceptible to leaf spot and powdery mildew

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