There's a particular magic to a cottage garden: old roses spilling over a low wall, lavender humming with bees, and foxgloves standing sentry in dappled shade. It looks effortless, as though the garden simply happened. In truth, that relaxed abundance comes from a few well-chosen heritage perennials — planted with thought, then largely left to get on with it.

Why Heritage Varieties Earn Their Place

Old-fashioned varieties have proved themselves in British gardens for centuries. They are tougher, more generous with scent, and far better at feeding pollinators than heavily bred newcomers that flower hard for a fortnight and then sulk. Many self-seed politely, filling gaps without help, and they age gracefully.

There is a practical benefit, too. Heritage plants are in tune with our climate, soil and insects, and rarely need staking or mollycoddling — the opposite of the fussy bedding that fills garden centres each May.

Roses: The Heart of the Planting

Begin with roses, because everything else arranges itself around them. Look for old garden classes — Gallica, Damask, Alba, Centifolia and Moss — rather than modern repeat-flowering hybrids. 'Charles de Mills' gives deep crimson rosettes, 'Maiden's Blush' is soft shell pink, and 'Madame Hardy' is richly scented. All offer one spectacular flush in June, followed by handsome hips.

Plant bare-root roses between November and March, in a spot with at least six hours of sun. Dig in well-rotted manure and a handful of bonemeal, keeping the graft union just below soil level. Water well through the first summer, then largely leave them alone, pruning lightly after flowering.

• Allow at least 90cm between bushes so air can circulate.
• Underplant with catmint or hardy geraniums to hide bare stems.
• Feed once in late winter with a balanced rose food.

Lavender for Structure and Scent

Lavender is the perfect counterpoint — grey-green, upright and utterly dependable. English lavenders such as 'Hidcote' and 'Munstead' suit a cottage garden best: compact, hardy and intensely fragrant. Plant in full sun on free-draining soil. If your ground is heavy clay, add grit to the planting hole or grow them on a raised mound.

The one rule with lavender is to prune immediately after flowering, taking off spent spikes plus a couple of centimetres of leafy growth. Never cut into old, bare wood — it rarely regrows. An August trim keeps plants bushy for a decade.

Use lavender to edge a path, where brushing past releases its scent, or as a low hedge around a seating area.

Foxgloves and Friends for Dappled Shade

No cottage garden is complete without foxgloves. Native Digitalis purpurea self-seeds freely in light shade, throwing up spires of purple-pink bells in early summer. Let a few spikes stand to set seed and you will never need to plant them again. For something rarer, try pale yellow Digitalis lutea or the rusty Digitalis ferruginea.

Pair them with other relaxed self-seeders: aquilegias in soft blues and creams, honesty with its translucent silver discs, and frothy Alchemilla mollis, whose lime-green flowers catch the light beautifully after rain. Add hardy geraniums such as 'Johnson's Blue' for weeks of low colour that knits the whole scheme together.

• Sow seed thinly on the surface in late spring — foxgloves need light to germinate.
• Leave spent spikes until early autumn so seed can drop.
• Thin crowded seedlings to 30cm apart to keep plants strong.

Layering for Colour Through the Seasons

A cottage garden should never be a one-act show. Aim for something in flower from April to October by layering plants of different heights and flowering times.

• Spring: tulips, wallflowers and the first peonies.
• Early summer: old roses, lavender and foxgloves at their peak.
• High summer: hollyhocks, delphiniums, catmint and phlox.
• Autumn: Japanese anemones, sedums and asters, plus rose hips for the birds.

Put the tallest plants — hollyhocks, delphiniums, foxgloves — at the back of a border, or in the middle of an island bed so you can walk all the way round. Place roses and peonies in the mid-layer, then edge with lavender, pinks and geraniums. Repeat a few key plants along the border to give the planting rhythm rather than jumble.

Keeping the Look Relaxed, Not Ragged

The secret of a good cottage garden is a firm hand hidden under a soft appearance. Stake tall perennials early with discreet hazel or birch twigs before they flop. Deadhead roses and lavender to encourage more flowers, but leave seedheads on foxgloves, teasels and sedums for the birds.

Mulch borders with homemade compost each spring and feed roses and peonies once a year. Resist tidying everything in October — leaving stems and seedheads over winter protects the crowns, feeds wildlife and gives structure on frosty mornings. When the worst of the weather passes, cut back, divide crowded clumps and let the garden begin again. Do this for a few seasons and you will have a plot that looks as though it has always been there.