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Photo: Conny, CC BY-SA 3.0 (via Wikimedia Commons)

Mat Grass

Nardus stricta

Also known as Moor Mat-grass, White Bent, Nard Grass

At a glance
Family
Poaceae (the grass family)
Type
Perennial grass
Parts used
Not used medicinally or culinarily; valued instead for its tough leaves and dense root mat
Size
Low, wiry tussocks 10 to 40 cm tall
Bloom
Slender, one-sided purplish-green flower spikes from June to August
Habitat
Acidic moorlands, upland pastures, heaths, and poor mountain grassland across Europe
Acquisition
Grow
This plant in HerbSense

Key benefits

Anchors thin, acidic soils
Thrives where little else grows
Signals healthy moorland habitat
Resists drought, frost, and wind

Traditional uses

Mat-grass never earned a place in the still-room or the kitchen garden, but it holds a real place in the story of hill farming. For generations, shepherds and graziers on the upland moors of Britain and northern Europe learned to read its tough, bristly tussocks as a warning sign, a patch of Nardus stricta spreading across a pasture meant the sweeter grasses had already been grazed away and the flock needed to move on. Its very toughness, prized by no one for eating, became a kind of quiet folk instrument for judging the health of the land. Botanists still use it the same way today, as a telltale marker of acidic, nutrient-poor, or overgrazed ground.

How to grow & use it

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Pairs well with
  • Heather
  • Bilberry
  • Purple moor-grass
Substitutes
  • Sheep's fescue
  • Purple moor-grass
Choose it when

When the ground is thin, the wind won't let up, and nothing soft will take hold, mat-grass is already there, holding on.

Did you know?

The genus name Nardus was borrowed from spikenard, the fragrant, costly plant of the ancient world, simply because early botanists thought the narrow, tufted leaves looked similar. Mat-grass has no scent to speak of and is not related to true nard at all, it just inherited a beautiful name for a plant that grows on some of the bleakest ground in Europe.

Safety

Mat grass is not toxic and has no history of medicinal use; livestock simply avoid its tough, wiry leaves because they are low in nutrition, not because it is poisonous.