Tufted Hair Grass

About Tufted Hair Grass

Tufted Hair Grass is a native British perennial grass forming dense tussocks of fine, dark green foliage with airy clouds of silvery-gold flower panicles in summer. Found naturally in damp meadows, moorlands, and woodland edges throughout the UK, it thrives in our cool, moist climate. UK gardeners prize it for its graceful movement, year-round structure, and ability to naturalise in challenging wet or shaded spots where other grasses struggle. The delicate flower heads catch the light beautifully and persist well into winter, providing valuable seasonal interest.

UK fact: Tufted Hair Grass is one of Britain's most widespread native grasses, found from Cornwall to the Scottish Highlands, and has been used for centuries in traditional thatching and as bedding for livestock in upland regions.

Watering Tufted Hair Grass

Water newly planted tufted hair grass weekly during the first growing season to establish a deep root system. Once established, it is remarkably drought-tolerant despite its natural preference for moisture, though it performs best with consistent moisture during dry UK summers. In heavy clay or naturally damp soils, no supplementary watering is needed. Container-grown specimens require regular watering as they cannot access ground moisture.

Sunlight requirements

Tufted Hair Grass performs best in full sun to partial shade, making it ideal for borders that receive dappled light or morning sun. In the UK, it tolerates shadier positions better than many ornamental grasses, particularly in moisture-retentive soils. South or west-facing positions produce the most abundant flowering, whilst north-facing spots suit the foliage well.

Soil and feeding

Tufted Hair Grass is exceptionally adaptable, thriving in almost any soil from heavy clay to sandy loam, and tolerating both acidic and alkaline conditions (pH 4.5-8.0). It performs best in moisture-retentive soils that don't dry out completely in summer, reflecting its natural habitat in damp meadows and moorland. Good drainage is not essential; this grass tolerates waterlogged conditions and even seasonal flooding. Enrich poor soils with organic matter at planting to improve moisture retention.

Tufted Hair Grass requires minimal feeding and thrives in nutrient-poor soils. A light application of general-purpose fertiliser in early spring can encourage more vigorous growth, but avoid over-feeding as this produces lax foliage prone to flopping. In rich garden soils, no supplementary feeding is necessary.

Pruning Tufted Hair Grass

Cut back the entire plant to within 10-15cm of ground level in late February or early March before new growth emerges. The dried flower heads and foliage provide valuable winter structure and wildlife habitat, so resist cutting back in autumn. Simply comb through the tussock with gloved hands to remove dead material if tidying is needed. Divide congested clumps every 3-4 years in spring to maintain vigour.

Propagating Tufted Hair Grass

Tufted Hair Grass is easily propagated by division in spring (March to April) when new growth appears. Lift established clumps with a fork, then use two forks back-to-back or a sharp spade to divide the dense root mass into sections with healthy roots and shoots. Replant divisions immediately at the same depth, spacing 45-60cm apart, and water well. Seed propagation is possible but slow; sow fresh seed in autumn in pots outdoors, as germination requires cold stratification over winter.

Common problems

Tufted Hair Grass is remarkably trouble-free with few pest or disease problems in UK gardens. Rust fungi may occasionally appear as orange pustules on leaves in humid conditions, but this rarely affects plant health and can be managed by improving air circulation. Aphids sometimes colonise new growth in spring but are easily controlled by natural predators or a water spray. The main cultural problem is die-back in the centre of old clumps, which is resolved by division every few years to rejuvenate growth.

Spot a problem with your plant? Photograph the affected area using the Loam app and it will suggest the most likely cause and treatment.

Safety

Humans

Safe

Cats

Safe

Dogs

Safe

Toxicity information is for general guidance only.

Seasonal care calendar

Monthly care guide for Tufted Hair Grass in the UK, based on average conditions.

Frequently asked questions

When should I cut back tufted hair grass?

Cut back tufted hair grass in late February or early March, before new growth emerges. Trim the entire plant to within 10-15cm of ground level. Avoid autumn cutting as the dried foliage and seed heads provide valuable winter structure and wildlife habitat throughout the colder months.

Why is my tufted hair grass dying in the centre?

Centre die-back is common in mature clumps after 3-4 years and indicates the plant needs dividing. Lift the clump in spring, divide into healthy sections, and replant. The Loam app can remind you when division is due and help diagnose other growth issues with personalised care schedules.

Does tufted hair grass grow in shade?

Yes, tufted hair grass tolerates partial shade better than most ornamental grasses, making it excellent for north-facing borders or dappled woodland edges. Whilst it flowers most prolifically in full sun, the foliage remains attractive in shadier positions, particularly when soil moisture is consistent.

Related plants

• Blue Fescue
• Carex
• Purple Moor Grass
• Miscanthus
• Hakone Grass