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Sporobolus airoides

alkali sacaton

A tufted perennial grass to 1.2m high forming mounds of slender, grey-green, arching leaves that turn golden-orange in autumn and fade to light bronze-brown in winter. Airy panicles of tiny pinkish-red flowers are borne above the leaves in 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
Loam
Sand
Chalk
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Pink Red Green Grey Silver
Autumn Gold Orange
Winter Bronze Brown
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Poaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Genus

Sporobolus are a large genus of plants in the grass family which are prairie or savannah plants. They produce a soft cloud of small flower heads, turning to seeds at a later date, the stems of which can grow up to 20 inches in height above a clump of arching leaves. Leaves are bright green during the summer, turning to yellow to orange in autumn and brown in winter.

Name status

Correct

How to grow

Cultivation

Grow in well-drained soil in a sunny position

Propagation

Propagate by seed or by division

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Prairie planting
  • Flower borders and beds
Pruning

Cut back to near ground in early to mid-spring

Pests

Generally pest-free

Diseases

Generally disease-free

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