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Panicum virgatum 'Dallas Blues'
  • RHS AGM

switch grass 'Dallas Blues'

'Dallas Blues' is a deciduous perennial grass, 1.5 - 1.8m in height with flat, narrow, lance-shaped, blue-green leaves in spring and summer turning yellow-brown in autumn. Diffuse panicles of small purple-pink spikelets are borne in late summer

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Size
Ultimate height
1–1.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Green
Summer Brown Pink Purple Blue Green
Autumn Brown Pink Purple Yellow Brown
Winter Brown
Position
  • Full sun
Aspect

South–facing or East–facing or North–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Poaceae
Native to the UK
No
Foliage
Deciduous
Habit
Columnar upright
Genus

Panicum can be annual or perennial, evergreen or deciduous grasses, with flat, narrowly lanceolate leaves, with large finely branched panicles of small spikelets in late summer or autumn

Name status

Accepted

How to grow

Cultivation

Grow in any moderately fertile, well-drained soil in full sun

Propagation

Propagate by division in mid-spring

Suggested planting locations and garden types
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • City and courtyard gardens
  • Coastal
  • Prairie planting
  • Wildlife gardens
  • Low Maintenance
  • Cut flowers
  • Flower borders and beds
  • Wall side borders
Pruning

Remove dead foliage and old flowered stems in spring

Pests

Generally pest free

Diseases

Generally disease free

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