The Wild Apothecary: Growing Medicine in a Rewilded Garden

There is an old idea, older than pharmacies and prescriptions, that the plants growing closest to our back doors are the ones we most need. Long before the medicine cabinet, the hedge and the meadow were the medicine cabinet. The nettle by the compost heap, the elder at the boundary, the marigold self-seeding in the cracks; these were the village apothecary, tended by nobody and available to everyone.

When we rewild a garden, we are not only making room for pollinators and birds. We are, quietly, letting that old apothecary grow back. Many of the plants that return when we stop mowing, stop weeding, and stop reaching for the strimmer are the very ones our great-grandmothers steeped, pressed and infused. This piece is an invitation to look at your wilder corners a little differently - not as untidiness, but as a living dispensary of teas, tinctures and salves.

A word before we begin, and it matters: growing and using herbal remedies is a craft that rewards care and punishes carelessness. Correct identification is everything, some plants carry genuine cautions, and none of what follows is a substitute for professional medical advice. Treat this as an invitation to curiosity, not a clinical instruction. More on safety at the end; please do read it.

Rewild first, harvest lightly

The instinct, once you know a plant is useful, is to gather it. Resist a little. A rewilded garden works because it holds abundance in balance; the yarrow feeds the hoverflies, the seedheads feed the finches, the leaf litter feeds the soil. Harvest as a guest, not a proprietor: take a little from many plants rather than a lot from one, leave the strongest specimens to set seed, and never strip a patch bare. The apothecary only stays open if you tend it.

For the teapot: infusions and tisanes

The gentlest way to meet your garden's medicine is also the simplest; pour hot water over it.

Nettle (Urtica dioica) is the tonic of the rewilded plot. Rich in iron, vitamin C and minerals, the young spring leaves make a deep green, earthy infusion long drunk as a nourishing pick-me-up. Pick the top four leaves with gloves, before the plant flowers; the sting vanishes the moment it meets hot water.

Elderflower (Sambucus nigra), that froth of cream at the boundary in June, dries beautifully for a fragrant tea and has a long folk association with easing the miseries of colds and hay fever. The elderberries that follow in autumn are a traditional winter immune support — but they must be cooked, never eaten raw, as the raw berries and seeds contain compounds that cause nausea.

Chamomile (Matricaria chamomilla) and lemon balm (Melissa officinalis) are the calmers, both easy self-seeders in a relaxed garden. Chamomile's little apple-scented flowers make the classic soothing bedtime tea; lemon balm's lemony leaves lift the spirits and settle a fluttery stomach.

Meadowsweet (Filipendula ulmaria), the frothy queen of damp meadows, was the plant from which salicylic acid — the ancestor of aspirin — was first isolated. Its flowers make an almond-scented tea traditionally used for aches and to settle the gut. (For that same reason, skip it if you are allergic to aspirin.)

And do not overlook the rosehips from your rambling wild roses. Split, deseeded and simmered, they yield a tart, vitamin-C-rich tea or syrup that has cheered British winters through more than one hard century.

For the tincture shelf: preserving the harvest

A tincture- plant matter steeped in alcohol (often vodka) for a few weeks, then strained - captures a plant's properties in a form that keeps for a year or more. It is how herbalists carry summer into winter.

Hawthorn (Crataegus monogyna), the workhorse of the old hedge, is the classic heart tonic of Western herbalism, its leaves, flowers and deep-red haws long used to support the cardiovascular system. It is one of the most researched of the traditional herbs - though precisely because it acts on the heart, anyone on cardiac or blood-pressure medication should speak to their doctor first.

Yarrow (Achillea millefolium), whose Latin name nods to Achilles and the battlefield, is a wound herb and a fever herb - traditionally taken to encourage a sweat and break a cold, and famous as a styptic for stopping bleeding.

Dandelion (Taraxacum officinale) is not the lawn's enemy but a bitter tonic in disguise: the root supports the liver and digestion, the leaf is a gentle diuretic. Tincture the root in autumn when its energy has drawn down.

For the salve tin: ointments and infused oils

Some of a garden's finest medicine never goes near the teapot. Steep the right leaf or flower in oil, warm it gently, strain it and set it with a little beeswax, and you have an ointment for the skin.

Calendula (Calendula officinalis), the pot marigold that seeds itself with cheerful abandon, is the queen of the salve tin. Its bright petals, infused in oil, make the classic skin-repair balm; reached for on grazes, chapped hands and sore patches for generations.

Plantain (Plantago lanceolata and P. major), the humble rosette in every lawn, is the gardener's first-aid plant. A crushed leaf on a nettle sting or insect bite is folk medicine at its most immediate; infused into oil and salve, it soothes irritated skin.

Comfrey (Symphytum officinale), old "knitbone," was traditionally used to speed the healing of bruises and sprains, and makes a much-loved salve for aching joints. Crucially, comfrey is for external, unbroken skin only; it contains pyrrolizidine alkaloids that make it unsuitable to take internally or to apply to open wounds.

St John's wort (Hypericum perforatum), whose yellow midsummer flowers bleed a deep ruby-red when infused in oil, makes a beautiful salve traditionally used for nerve pain, bruises and burns. Taken internally it is well known as a mood herb, but here is the single most important caution in this article: St John's wort interacts with a very long list of prescription medicines, including the contraceptive pill, antidepressants and anticoagulants, reducing their effectiveness. Never take it internally without proper advice.

The one section you must not skip: staying safe

Wild medicine asks for respect. A short, non-negotiable checklist:

• Identify with total certainty. Never use a plant you cannot name beyond doubt. Some medicinal plants have poisonous look-alikes; a good regional field guide, and ideally an experienced forager, is essential. When in doubt, leave it out.

• Know the cautions. As above; raw elderberries, comfrey internally, St John's wort with medication, meadowsweet with aspirin allergy. Do your homework on every plant, every time.

• Mind your patch. Don't harvest from ground that may be sprayed, polluted, or at dog height along a path.

• Start small and single. Introduce one remedy at a time, in modest amounts, so you can notice how you respond.

• This is not medical advice. If you are pregnant or breastfeeding, taking any medication, managing a health condition, or treating a child, speak to a qualified medical herbalist or your GP before using herbal remedies. Herbal medicine complements professional care; it does not replace it.

The garden that gives back

There is a particular satisfaction in a cup of tea grown ten steps from the kitchen, or a salve you pressed from petals you watched open. A rewilded garden offers this almost as an afterthought to its real work of sheltering wildlife, and the two goals sit happily together. The more diverse and undisturbed your planting, the richer both the habitat and the harvest. Let the marigolds seed where they will. Leave the nettles their corner. Let the elder have its stretch of boundary. You are not just growing a wilder garden; you are growing a wiser one.

If this has stirred a wish to go further — to learn the craft of tinctures, oils and salves properly, from identification through to the finished remedy — you can explore more with the resource I trust here: Alma Oasis.

A few authoritative sources to read on

• NCCIH (National Center for Complementary and Integrative Health) — evidence summaries on individual herbs and their known interactions.

• Royal Botanic Gardens, Kew — reliable botanical identification and plant profiles.

• Julie Bruton-Seal & Matthew Seal, Hedgerow Medicine — a well-regarded practical guide to British medicinal plants and their preparation.

• Barnes, Anderson & Phillipson, Herbal Medicines — a pharmacist's reference on constituents, evidence and safety.