Lavender: The Garden’s Most Generous Plant

Walk past a lavender hedge on a warm July afternoon — brush your hand through it as you pass — and something happens that is difficult to explain rationally. The tension drops out of your shoulders. You breathe differently. It is one of those rare plants that seems to act on the nervous system almost before you’ve consciously registered the scent.

This is not magic, or not entirely. Lavender contains linalool and linalyl acetate, volatile compounds that have been shown in clinical studies to have genuine anxiolytic — anxiety-reducing — effects. The aromatherapy industry built an empire on this. But lavender has been known as a calming, clarifying plant for two thousand years, long before anyone could explain the chemistry.

A Very Long History

Lavender (Lavandula) comes originally from the dry, rocky hillsides of the Mediterranean — the word derives from the Latin lavare, to wash, because the Romans used it to scent their baths and laundry. It came to Britain with the Romans and has been in English gardens ever since, so thoroughly naturalised into our garden culture that it’s easy to forget it’s not native.

In Tudor England, lavender was strewn on floors and tucked between linen to repel moths and disease. Apothecaries sold lavender oil as a treatment for headaches, fainting, melancholy and what they called ‘the vapours.’ Queen Victoria was famously partial to it — her supplier, a company called Yardley, is still going. During the First World War, nurses used lavender oil as an antiseptic when conventional supplies ran out.

As Western herbalists, we use lavender primarily as a nervine — a herb that supports the nervous system. Lavender tea before bed, a drop of essential oil on the pillow, a lavender-infused honey stirred into warm milk. Simple remedies, but ones that have been trusted across cultures for centuries.

Varieties Worth Knowing

Not all lavenders are equal, and the choice matters more than most people realise.

Lavandula angustifolia — English lavender — is the most hardy and the most fragrant. Varieties like ‘Hidcote’ (deep purple, compact) and ‘Munstead’ (paler, slightly earlier) are the workhorses of the English garden. These are the ones to use for culinary and medicinal purposes.

Lavandula x intermedia — lavandin — is the tall, vigorous hybrid used in commercial production. ‘Grosso’ and ‘Provence’ fall into this group. Beautiful, productive, strongly scented, but higher in camphor and less suitable for eating or medicine.

French and Spanish lavenders (L. stoechas, with those distinctive ‘rabbit ear’ bracts) are beautiful but borderline hardy in Hertfordshire — treat them as tender perennials, or overwinter under glass.

In the Garden

Lavender wants full sun, poor soil and good drainage. It sulks in clay, rots in wet winters, and becomes woody and sparse if not cut back annually. The secret to a long-lived, productive lavender plant is cutting it back by about a third immediately after flowering — never into old wood, which won’t regenerate, but into the soft growth above it. Do this every year without fail and it will reward you for a decade.

Plant lavender at path edges where you’ll brush against it, along a south-facing wall, or in a long formal hedge — the classic English kitchen garden treatment. Bees — honeybees, bumblebees and solitary bees alike — are besotted with it. A lavender hedge in July hums audibly.

Make: Lavender-Infused Honey

One of the simplest and most useful things you can make from the garden.

YOU’LL NEED

• 250g good-quality honey (mild variety like acacia works well)

• 2–3 tablespoons fresh lavender flower buds, or 1 tablespoon dried

• A clean jar with a tight-fitting lid

METHOD

1. If using fresh lavender, make sure it’s completely dry — any moisture will ferment the honey. Pick the flower buds on a dry morning, shake off any insects, and strip the tiny flowers from the stems.

2. Warm the honey very gently in a small saucepan over the lowest possible heat — you want it just liquid, not hot. Stir in the lavender flowers. Remove from heat, cover, and leave to infuse for at least 2 hours, ideally overnight.

3. Taste. If you want a stronger flavour, leave it longer. When the flavour is right, warm very gently again until just pourable, then strain through a fine sieve or muslin into your jar, pressing the flowers to extract every drop.

4. Seal tightly. It will keep for up to a year at room temperature — honey is a natural preservative.

   
   

Use it: stirred into chamomile tea as a bedtime drink, spread on toast with fresh ricotta, or warmed and drizzled over vanilla ice cream. As a herbalist remedy: a teaspoon in warm milk before bed is one of our most-recommended simple sleep aids.

Use only Lavandula angustifolia for culinary purposes — English lavender. The camphor content in lavandin makes it too medicinal in flavour and not suitable for eating. If in doubt, taste a single flower raw first: it should be fragrant and floral, not sharp.