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Summer on the High Ground

By late June, the uplands have settled into their richest weeks. The bilberry is flowering, the first meadow pipits are carrying food, and the acid grassland that covers so much of our high ground is quietly doing something remarkable. What looks from a distance like an unbroken sweep of green and grey is, close up, a low mosaic of wildflowers – small, tough, wind-bitten plants that have evolved to survive grazing, exposure and thin, peaty soils.

Three species in particular reward a slower pace: heath bedstraw, tormentil and bog cotton. Learn these three and you will begin to read the uplands properly – where the ground is dry and leached, where it is flushed and wet, and where centuries of grazing have shaped what can grow.

Heath Bedstraw: The Little White Carpet

Heath bedstraw (Galium saxatile) is the quietest of the trio and often the most abundant. It forms loose, straggling mats across short acid turf, threading between sheep's fescue and common bent. Its leaves are narrow and arranged in distinctive whorls of six to eight around a square stem, and the margins are rough with tiny backward-pointing prickles – so rough, in fact, that a patch will cling lightly to a trouser leg or a sock.

The flowers are tiny, white and four-petalled, appearing in loose sprays from June into August. Individually they are hardly worth a glance; en masse, they can turn a hillside the colour of spilled milk. Look for it on dry heaths, moorland edges, old trackways and rocky slopes from the Peak District to the Cairngorms.

Tormentil: Four Yellow Petals to Learn

Tormentil (Potentilla erecta) is the flower most people notice first, simply because of its colour. Its flowers are a warm, butter yellow – and they almost always have just four petals, which sets it apart from most other members of the rose family, which typically have five. This four-petal rule is one of the handiest identification shortcuts in the uplands.

The leaves are palmate, with three toothed leaflets, and the stems creep along the ground from a woody rootstock before rising to flower. Tormentil is extraordinarily tolerant of grazing, which is why it thrives on sheep-grazed hillsides across Wales, northern England and Scotland. It flowers from June right through to September, so it is often the last splash of colour left on a late-summer walk. A useful check: tormentil has a creeping habit and a reddish tinge at the base, unlike the similar-looking but five-petalled creeping cinquefoil.

Bog Cotton: White Flags Over Wet Ground

Where the ground turns spongy underfoot, look for bog cotton – properly known as cottongrass, and a sedge rather than a true grass. Two species matter most. Common cottongrass (Eriophorum angustifolium) carries several drooping white heads on each stem and favours wet flushes and bog pools. Hare's-tail cottongrass (Eriophorum vaginatum) stands taller and more upright, with a single erect head, and forms the tussocky hummocks typical of blanket bog.

The white "cotton" is not a flower at all but a mass of long silky hairs attached to the seeds, which catch the wind and carry them away. From June onwards, a bog in full cotton is one of the most atmospheric sights in the British uplands – especially when a breeze sets the whole field nodding.

Other Flowers Worth a Second Look

Once your eye is tuned, the acid grassland reveals more:

• Heath milkwort – small, deep blue, pink or white flowers on wiry stems, often in short turf.
• Lousewort – pink and cream, semi-parasitic on grasses and heather.
• Cross-leaved heath – pale pink bells in late summer, the wet-heath counterpart to ling.
• Bilberry – greenish-pink bell flowers in spring, followed by berries in late summer.
• Butterwort and sundew – insect-eating plants of wet flushes, small but unforgettable.

Cloudberry is the exception: rare, spectacular and legally protected, it should be admired from a distance and never picked.

Walking Lightly on Fragile Ground

All of these plants are tougher than they look, but the ground they grow on is not. Upland soils are thin, peaty and slow to recover, and a single misplaced boot in a wet flush can leave a scar that takes years to heal. Cotton grass tussocks in particular are easily dislodged, and once the peat beneath is exposed, erosion spreads.

A few simple habits make a real difference:

• Stay on the path where one exists, even when it is muddy – the vegetation either side is more fragile than the mud suggests.
• Walk in single file across open moorland to avoid creating new desire lines.
• Avoid stepping on cottongrass tussocks and sphagnum patches; they are the bog's living fabric.
• Take photographs rather than flowers, and leave seed heads to set.

Done well, fell walking and wildflower-watching go hand in hand. Move slowly, crouch often, and let the small plants of the high ground teach you the shape of the land beneath your boots.