Medicinal plants of the South Downs

The South Downs are one of the most botanically rich landscapes in southern England. The chalk soil, the coastal influence, the ancient hedgerows and woodland edges create conditions where medicinal plants thrive in unusual density and variety. For a herbalist, this landscape is a dispensary.

What follows is a seasonal guide to some of the most useful medicinal plants growing on and around the Downs right now — what they look like, where to find them, and what herbalists have used them for across centuries of practice.

Spring arrives quietly on the South Downs. Before the hawthorn bursts into blossom and the cow parsley takes over the roadsides, there is a window — just a few weeks — when the most useful plants of the year are at their most potent.

Here is what I am finding right now, and what I reach for it to do.

Cleavers (Galium aparine)

The sticky scrambling plant that attaches itself to everything is one of the finest spring medicines we have. Cleavers works on the lymphatic system — helping the body clear the stagnation that builds over winter. If you feel puffy, sluggish, or like your body hasn't quite woken up yet, cleavers is your plant. Juice it fresh, add it to water, or make a cold infusion overnight. It doesn't survive heat well, so don't boil it.

Hawthorn (Crataegus monogyna)

The hedgerows around Friston and along the Cuckmere are coming into leaf now, and hawthorn leaf is one of the most gentle and consistent heart tonics in the British pharmacopoeia. The young leaves — the ones old country people called "bread and cheese" and ate straight from the hedge — can be added to salads or made into a simple tea. Over time, hawthorn steadies and nourishes the cardiovascular system in a way that is hard to match with anything else.

Ground ivy (Glechoma hederacea)

Overlooked, underfoot, and extraordinarily useful. Ground ivy is a small purple-flowered creeper that carpets the shaded edges of paths and woodland margins right now. It is one of the traditional herbs for catarrh, sinus congestion, and what old herbalists called "conditions of the head." If you've come through winter with a persistent dull head, foggy sinuses, or that half-blocked feeling that never quite clears — make a tea of ground ivy and breathe it in before you drink it.

Nettle (Urtica dioica)

The young tops are up now and this is the best time to harvest them. Nettle is deeply mineral-rich — iron, silica, magnesium — and works well for anyone coming through a depleted winter, recovering from illness, or navigating the fatigue that often accompanies hormonal change. Steam them like spinach, blend into soup, or dry and make into a strong infusion. As a nutritive tonic there is very little that rivals it and it costs nothing to gather.

A walk in spring on the Downs is not just pleasant — it is medicine in itself. The chalk soil, the salt in the air from the coast, the particular quality of light in April and May — these things regulate the nervous system in ways we are only beginning to understand scientifically, though our bodies have always known it.

If you'd like to come and meet these plants in person, I'm running a small group foraging and wild medicine making session on Friday 16th May at Friston Forest. We'll walk slowly through the landscape together, identify what's growing, and make a simple remedy to take home. No experience needed — just curiosity and comfortable shoes.

Spaces are small and limited to keep the session personal.