Stipa spartea (porcupine grass) — Clump-forming | Fenn

Overview

Stipa spartea is a clump-forming grass in the genus Stipa, part of the Poaceae family, with linear leaves foliage. Stipa spartea grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include borders and prairie-style plantings.

About

Stipa spartea, commonly known as porcupine grass, is a clump-forming perennial grass within the Stipa genus. It features arching, linear leaves and produces narrow panicles with spikelets and long awns in summer and autumn. Suited to full sun and sheltered, south-facing positions, it thrives in well-drained, neutral loam soils. Hardy to UK zone H4, it is ideal for borders and prairie-style plantings. Maintenance includes cutting back in late winter, and it can be propagated by division or seed.

Growing conditions

Best soil and position for Stipa

Sunlight: Full sun
Soil type: Loam
Soil pH: Neutral
Soil moisture: Well-drained
Aspect: South-facing
Exposure: Sheltered
UK hardiness: H4

Plant details

Stipa spartea size, habit and characteristics

Plant type: Grass
Habit: Clump-forming
Foliage: Linear leaves
Suggested uses: Borders, prairie-style plantings

Care notes

Pruning and caring for Stipa spartea

Propagation: Division, seed
Pest resistance: Generally pest-resistant
Disease resistance: Generally disease-resistant

Frequently asked questions

Where is the best place to plant Stipa spartea?

Stipa spartea prefers full sun. It suits sheltered positions.

What soil does Stipa spartea need?

Stipa spartea grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Stipa spartea hardy in the UK?

Stipa spartea has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Stipa spartea?

Division, seed.

More in the Stipa genus

Browse all Stipa →