14/04/2026
Right Plant, Right Place: Reading Your Garden Before You Plant
There's a temptation, when faced with an empty border or a new garden, to start with the plants you really want. You fall in love with something in a nursery, the silken cups of a tree peony, the electric blue of an agapanthus, and you bring it home determined to find it a spot but very often this can lead to disappointment.
The principle of "right plant, right place", first coined by esteemed gardener, Beth Chatto, inverts this instinct. It asks you to start with observation. Before a single plant is chosen, the garden should be read carefully; surveying the lay of the land and the path of the sun. Thoughtful selection and placement of plants is, in our opinion, the most important aspect of garden design.
Genius loci: the spirit of the place
The ancient Romans believed every place had a genius loci; a presiding spirit, an atmosphere; that was distinctly its own. Every site has a personality shaped by its history, its surroundings, its light, its soils, and the way weather moves through it. A garden designed in harmony with that character will always feel more resolved, more right, than one imposed upon it.
Before assessing the technical factors, simply spending time in the space will reveal the overall mood of the place. Is it a sheltered, enclosed hollow that feels naturally intimate and woodland-like? Or an open, windswept hillside that seems to call for tough, structural plants that can harness the elements to provide movement?
Is there an existing material character: old stone walls, modern buildings, sandy gravel, the remnants of an orchard, that a new planting scheme might honour?
Assessing the health of plants already growing in your garden, or in neighbouring gardens and local habitats can be a valuable guide to what your particular patch of earth wants to grow.
Gardens that work with their genius loci tend to look as if they grew there of their own accord. Those that fight it always feel slightly artificial and effortful, even after years of care.
Sun and shade
Light is one of the most fundamental variables in any planting decision, and also the most misunderstood. We tend to speak of "a sunny spot" or "a shady corner" as fixed facts, but the reality is far more nuanced.
Begin by noting the aspect, the direction your garden faces. A south-facing slope in the northern hemisphere receives the most direct sunlight throughout the day; a north-facing wall may receive almost none. But aspect is only a starting point. At different seasons the sun's arc changes dramatically, meaning a bed that basks in midsummer light might spend the short days of winter in deep shadow and a morning-only sun spot will suit many shade-tolerant plants far better than a true woodland floor. A plant that struggles in high temperature may benefit from a companion or a Westward hedge that can offer shelter during the hottest part of afternoon. We can track light at different times of year and different times of day using SunCalc.
Overhead canopy creates another layer of complexity. A mature deciduous tree casts dense shade in summer but allows light through in spring, creating a window of opportunity that many woodland bulbs and early perennials have evolved specifically to exploit. Evergreen canopy is another matter entirely, creating a consistently dry, dark, root-competed environment where very few plants thrive without careful consideration.
The practical upshot: a plant labelled "full sun" that is placed in four hours of direct light per day will underperform, flower poorly, and become susceptible to disease. A shade-lover given too much light may scorch, bolt, or simply die of stress. Getting the light right is paramount.
Soil structure and pH
If light determines what a plant can do with its energy, soil determines what it can access for fuel. Soil is a complex living system, and understanding even its basics transforms your ability to choose plants wisely.
Structure refers to the physical composition of the soil; the balance of sand, silt, clay, and organic matter that determines how it behaves. Clay soils hold nutrients and moisture well but drain poorly, compacting into a cold, airless mass in winter and cracking in drought. Sandy soils drain fast and warm quickly in spring but lose moisture and nutrients rapidly, requiring frequent irrigation and feeding. Loam, the gardener's usual ideal, sits somewhere between the two, offering good drainage alongside reasonable moisture and nutrient retention. You can improve almost any soil with organic matter, but this is a slow process and not always warranted; in the meantime, choosing plants suited to what you actually have is far more efficient.
PH, the measure of acidity or alkalinity, governs which nutrients are soluble and therefore available to plants. Most ornamentals prefer a slightly acid to neutral soil (around pH 6–7), but certain plant families are far more exacting. Ericaceous plants, such as rhododendrons, camellias, pieris, blueberries, require acidic conditions below pH 6 to absorb iron; plant them in chalky, alkaline ground and they will yellow and fail, this can be somewhat remedied with iron fertiliser and avoiding hard water but you are now fighting against the elements.. Conversely, plants of Mediterranean origin often prefer alkaline soils, which mimic the thin, calcium-rich substrates of their homelands.
Soil depth is also an important consideration; we see many new-build gardens with a scant topsoil overlying what we like to call “builder’s loam”, a compacted, sandy, rubble-filled subsoil, which would never sustain many garden favourites. Alpines, succulents and species adapted to thin, poor soils would survive but raised-beds or container gardening would drastically expand the types of plants which could do well in these circumstances.
With some simple soil analysis and digging around we can ensure we select the appropriate plants.
Moisture and drainage
Related to soil structure but distinct from it, the moisture regime of a site describes how water behaves across the year, whether it floods in winter, dries out completely in summer, or maintains a more even moisture level throughout.
Are there areas where puddles persist for hours, or even days? These are waterlogged zones, potentially suffering from an impermeable clay layer or a high water table, and they demand plants with a genuine tolerance for wet roots: willows (which will also help draw up moisture), marsh marigolds and moisture-loving irises will flourish here while many border perennials would rot. Similarly, areas under overhanging eaves, along the base of walls, or beneath established trees may receive very little rainfall at all, creating a rain shadow, and here, drought-tolerant species from the Mediterranean or dry woodlands will fare far better than plants that expect reliable summer moisture.
Drainage can often be improved, through breaking up compacted layers, incorporating grit, or installing land drains, but this is expensive and disruptive work. In many cases, the more elegant and sustainable solution is simply to choose plants that will thrive in the conditions that already exist. Irrigation systems can be a viable solution for the driest parts of a garden and certainly remove the biggest burden of container gardening but we should always be mindful of water consumption in the garden; collecting rainfall wherever possible.
Shelter and microclimates
Within even a modestly sized plot there are often several distinct microclimates; pockets of warmth, cold, wind exposure, or shelter that differ significantly from the broader conditions recorded at the nearest weather station.
Walls and solid fences are the most powerful microclimate-makers. A south- or west-facing wall absorbs heat during the day and releases it at night, creating a zone several degrees warmer than the open garden. Warm enough, in many British gardens, to ripen wall-trained figs and peaches or to shelter borderline-hardy plants, like abutilon or citrus, through winter. On the other side, a north-facing wall is cold and shaded, but surprisingly useful for early-flowering plants that might otherwise be caught by frost if they bloomed too early. There are often certain varieties, that surprisingly, can thrive on a north wall. A Madame Alfred Carriere climbing rose paired with clematis ‘Jackmanii’ for example.
Frost is a subtler challenge than it first appears. Cold air is dense and flows downhill like water, pooling in low-lying areas and collecting against solid barriers, trapping frost pockets that may experience temperatures several degrees colder than the surrounding garden. In these spots, tender plants, late-emerging perennials, and early-flowering trees like magnolias are particularly vulnerable. Permeable boundaries, open fencing, or loose hedging like beech, allow cold air to drain through rather than pool, dramatically reducing the risk.
Wind is often underestimated as a limiting factor. Exposed sites can cause desiccation, physical damage such as snapped stems and shredded leaves, and lower temperatures. A gentle, constant breeze accelerates moisture loss from leaves, stressing plants and their ability to grow; in coastal gardens, salt-laden winds add an additional challenge. Creating shelter, whether through robust windbreak hedging, a woven willow screen, or a series of structural shrubs, transforms the growing conditions for everything planted in the lee.
Putting it all together
The discipline of site reading is a core component of garden planning that informs every planting decision. Understanding which plants would suffer in the heat of Summer or particularly dry conditions, and those that require protection from the coldest weather or wettest winter will ultimately make the difference between lack lustre plants and a lush, thriving garden. Healthy vigorous plants that can perform to their full potential will always be more rewarding.
Editing the garden is an ongoing process, and with the right timing, plants can always be moved to other more suitable places but with the knowledge of their true needs and weaknesses we can save a lot of trouble.
“Right plant, right place” is the key to a garden that looks beautiful and looks after itself.
