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Stipa gigantea
  • RHS AGM

golden oats

S. gigantea is a robust tufted evergreen grass to 2m, with arching linear green leaves and large panicles of oat-like, long-awned purplish flowers which ripen to gold

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Size
Ultimate height
1.5–2.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green Purple Gold Green
Autumn Gold Gold
Winter
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H4
Botanical details
Family
Poaceae
Native to the UK
No
Foliage
Evergreen
Habit
Tufted
Genus

Stipa can be evergreen or deciduous, mostly perennial grasses with arching, folded or rolled, linear leaves and narrow panicles of often long-awned spikelets in summer and autumn

Name status

Correct

Plant range
SW Europe, NW Africa

How to grow

Cultivation

Grow in medium to light, moderately fertile soil in full sun. Divide every few years to maintain vigour. See ornamental grasses cultivation

Propagation

Propagate by seed sown in pots in a cold frame in spring or by division in late winter to early spring

Suggested planting locations and garden types
  • Architectural
  • Low Maintenance
  • Flower borders and beds
Pruning

Remove dead foliage and old flowered stems in spring

Pests

Generally pest free

Diseases

Generally disease free

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