Why Informal Planting Suits a British Garden

The cottage garden look is not really a style so much as a truce with the weather. It grew out of small plots where every spare foot was pressed into service, and where plants that survived our damp winters, late frosts and gusty springs were quietly kept and everything else quietly forgotten. The result is a scheme that forgives a wet August, fills its own gaps and asks very little of the gardener beyond a little editing.

That is good news for anyone gardening on clay, in a windy corner or under the shadow of mature trees. Informal planting works with the conditions you already have, rather than fighting them. Let a few plants seed about, leave the seed heads standing into winter, and you will find the garden starts to look after itself — and the bees, hoverflies and finches will notice.

Start with Structure You Can Clip

Loose planting only reads as relaxed when something is holding it upright. Build the bones first, using evergreen or long-season hedging and a few clipped shapes to anchor the borders.

• Yew (Taxus baccata) clips beautifully, tolerates shade and gives dark green weight to a scheme.
• Box is the classic choice, but where blight is a problem use Japanese holly or yew instead, clipped into low domes.
• Beech or hornbeam makes a superb informal hedge that holds its coppery leaves through winter.
• Lavender and rosemary give you a soft, grey-green alternative in sunny, free-draining spots.

Place clipped balls or low hedging at path corners and either side of a gate, then let the perennials spill over their edges. A hedge along the windward boundary is worth more than any amount of staking further in — it slows the gusts that snap delphiniums and flatten verbascums.

Hardy Perennials for the Backbone

Choose perennials that come back reliably, flower for months and do not sulk in heavy soil. Plant them in loose drifts of three, five or seven rather than single specimens, and repeat the same plant in two or three places across the border so the eye travels.

• Cranesbill such as Geranium 'Rozanne' for colour from June to October.
• Lady's mantle for frothy chartreuse flowers and self-seeding talent.
• Salvia 'Caradonna' and catmint for spires of blue that bees adore.
• Astrantia and achillea for a soft, meadowy middle ground.
• Hellebores and epimedium for dry shade beneath shrubs and hedges.

Leave the spent flower stems on sedums and coneflowers. They hold their shape through the worst of the winter and feed the birds when little else is on offer.

Self-Seeding Annuals and Biennials for Loose Abandon

This is where the informality really comes from. Let a handful of willing seeders move around the garden and you will never need to replant a gap.

• Foxgloves — perfect for a woodland edge, happy in dappled shade and light soil.
• Love-in-a-mist for blue, white and pink flowers followed by marvellous seed pods.
• Cornflower and field poppy for a jolt of colour in poor, sunny ground.
• Pot marigold and honesty for months of low-effort flower.
• Verbena bonariensis for tall, airy stems that float above everything else.

Scatter seed thinly in autumn or early spring onto raked soil, water once, and then resist the urge to tidy. Thin the seedlings only where they are crowded. If they land somewhere awkward, lift them while small and move them — most will barely notice.

Plant in Layers for a Woodland Edge Feel

The most convincing cottage borders are built in tiers, much like the edge of a wood. Under deciduous shrubs and small trees, plant bulbs that flower before the leaves close overhead: snowdrops, cyclamen, wood anemones and daffodils. Above them, low ground cover such as hardy geraniums and epimedium. Then the mid-layer of perennials, and finally tall, see-through plants — foxgloves, verbascums, grasses — that let light through to everything beneath.

Shade is an asset here, not a problem. Damp shade suits ferns, hellebores and woodlanders beautifully, and it stays cooler and moister through a dry spell. Only in deep, dry shade under conifers do you need to accept a narrower palette and mulch generously with leaf mould.

Wildlife, Soil and the Year's Rhythm

A relaxed garden is a rich one. Seed heads feed goldfinches, teasels and scabious bring in bees, and a small log pile in a shady corner gives beetles and hedgehogs somewhere to shelter. A shallow dish of water, refreshed often, is one of the kindest things you can add.

For soil, spread a mulch of well-rotted compost or leaf mould over the borders in early spring, taking care not to bury the crowns of self-seeders. Feed little: rich soil makes floppy, short-lived plants, while leaner ground keeps stems sturdy and flowers plentiful.

Then work with the seasons rather than against them. Cut back the main perennials in late May for a later, tidier flush — the Chelsea chop, as it is known — and leave the rest standing until March, when the new growth starts to push through. Divide crowded clumps in autumn or spring, stake only what genuinely needs it, and let a few seedlings settle where they please. Do that, and the garden will look effortless — which, as any cottage gardener will tell you, is the hardest look of all to achieve.