About

Cortaderia selloana 'Patagonia' features substantial clumps of gracefully arching, blue-green leaves. Its tall, silvery flower spikes emerge upright, offering visual interest late in the season and maintaining their appeal into early winter.

About the genus

Cortaderia consists of sturdy evergreen grasses that develop sizable, compact clumps of narrow, rough-textured leaves. These grasses produce upright stems topped with dense flower panicles that range from silvery to pink hues, making them ideal for drying purposes.

Growing conditions

Sunlight
Full sun
Soil type
Chalk, Clay, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, North-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Grass Like
Habit
Tufted
Foliage
Evergreen
Height
1.5-2.5 metres
Spread
1-1.5 metres
Time to full height
5-10 years
Suggested uses
Architectural, Cottage and informal garden, Prairie planting

Care notes

Cultivation
Easy to grow in most well-drained fertile soils in full sun. May need some winter protection in first season
Pruning
Cut back old, flowered stems and dead foliage at the bases in late winter
Propagation
Propagate by division in spring
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free