In this post, I examine the sensory dimensions of aletheic garden design, advocating for an holistic approach that engages sight, touch, scent, sound, and light. I discuss the psychological benefits of nudity and naturism in natural settings, emphasising the importance of creating immersive environments that foster emotional connections and wellbeing through careful design considerations.
Note: This post explores the psychological and wellbeing benefits of nudity and naturism within biophilic environments. It contains illustrations depicting nudity and the human form.
Designing a garden for all of the senses
Most garden design is, at its core, visual. We talk about colour schemes, structural planting, focal points, and seasonal interest – all of which are perceived primarily through the eyes. This is understandable. Vision is our primary sense, and a garden that looks good is easy to understand and relate to. It is also easy to sell, photograph, and describe.
But an aletheic garden is designed for the whole body, and that requires thinking about all of our the senses – maybe in a different order of priority.
The skin is in constant conversation with the garden environment in a way that the eyes are not. As our largest sense organ, it registers air temperature and humidity, the movement of a breeze, the warmth of a surface that has been sitting in the sun, the coolness of shade, the texture of a path underfoot, the brush of foliage against an arm or leg. These inputs arrive continuously and often below the level of conscious awareness. They accumulate into what we experience as comfort (or discomfort) or that particular quality of ease that a good outdoor space can produce. That might be difficult to explain to someone who hasn’t felt it.
When the body is unclothed, this conversation becomes significantly richer.
Planting for touch and feel
Research by Chevalier et al. (2012), published in the Journal of Environmental and Public Health, found measurable physiological effects – including reduced cortisol and improved sleep markers – from direct skin contact with the ground, a practice the researchers termed earthing or grounding. The proposed mechanism involves the transfer of electrons from the earth’s surface through the skin. This research remains an area of active investigation and is not fully developed, so the findings should be treated with some caution.
What is harder to dispute is the lived experience itself: bare feet on grass, warm stone, or cool earth seem to draw us into a quality of presence and attention that is simply lost when we put our shoes back on.
Designing for the skin means thinking carefully about surfaces – not just their appearance, but their thermal properties, their texture, and the way they change across the day and the season. A stone terrace that feels cold and unwelcoming at nine in the morning can be the most pleasurable surface in the garden by mid-afternoon. Gravel paths offer a different quality of feedback underfoot than close-mown grass or bark mulch. Wooden decking warms quickly and retains heat well. Each of these is a design choice with sensory consequences that go well beyond the visual.
Foliage texture matters too. A garden that offers only smooth, waxy leaves misses the opportunity to engage touch more actively. The softness of Stachys byzantina (lamb’s ears), the papery roughness of ornamental grasses, the surprising smoothness of a large Hosta leaf, the gentle resistance of rosemary pushed through the fingers – these are tactile experiences that reward a garden designed with physical engagement in mind.
Planting for scent
If texture is the sense that garden design most consistently neglects, scent is the one it most consistently underestimates. We include fragrant plants because they are pleasant. Think of a wisteria over a doorway, a lavender path edge, sweet peas climbing a bamboo cane structure or a rose on a sunny wall. However, we rarely think systematically about scent as a design medium in its own right, with its own logic of placement, timing, and intensity.
Scent deserves more serious attention than this, for a straightforward biological reason: of all our senses, our sense of smell has the most direct pathway to the limbic system – the part of the brain responsible for emotion and memory. It is probably the sense that evolved first in living organisms as a way of reacting to the presence of chemicals in a primordial environment.
An odour can trigger an emotional response, or retrieve a memory, faster and more completely than any visual stimulus. Sometimes, you can react to a smell before you are even consciously aware that it is there. This is not incidental to the aletheic garden – it is central to it. A space that engages the olfactory sense is a space that reaches parts of the nervous system that sight and sound cannot easily access.
The research supports this. A comprehensive literature review by Hedigan et al , in Complementary Therapies in Clinical Practice, (2023) demonstrated that exposure to a wide variety of essential oils could have beneficial effects on stress and anxiety. More broadly, the well-established research on phytoncides – the volatile organic compounds emitted by trees and plants, particularly conifers – shows that simply breathing forest air has measurable immune benefits. Li et al. (2009), in the International Journal of Immunopathology and Pharmacology, found significant increases in natural killer cell activity following exposure to phytoncide-rich forest environments. Qing Li’s subsequent book Shinrin-Yoku: The Art and Science of Forest Bathing (2018) brings this research together in an accessible form and makes a compelling case for the health benefits of plant-scented air that goes well beyond simple pleasure.
For the garden designer, the practical implications are significant. Scent is not evenly distributed – it pools in still air, concentrates in enclosed spaces, and travels on warm breezes. It is affected by changes in air pressure and humidity, and even the time of day – some plants release odours to attract pollinators that may only be active at particular times of the day.
An enclosed garden, particularly one with a south-facing aspect that warms quickly on a spring or summer morning, will concentrate scent in a way that an open, exposed garden cannot. This is another reason why enclosure is foundational: it creates the conditions in which scent can accumulate and become genuinely immersive rather than merely incidental.
Planting for scent across the season requires some deliberate planning. In early spring, Sarcococca (sweet box) and Daphne offer intense, sweet fragrance at a time when little else is contributing. Through late spring and summer, roses, Philadelphus, jasmine, and lavender carry the main weight. Into autumn, the sweet, slightly smoky scent of fallen leaves.
Damp soil is itself worth designing for – a cleared path through a planted area after rain can be as olfactorily rich as any flowering plant.
And don’t forget petrichor – that characteristic smell from the ground that appears after a rain shower, especially in summer, released by Streptomyces bacteria living in the soil.
A note on placement: the most reliable way to ensure a scented plant is noticed is to put it where people will brush against it, sit close to it, or pass through it. A lavender path edge that catches the leg as you walk past is worth more, in olfactory terms, than a beautifully fragrant rose on the other side of the garden.
Sound and the acoustic garden
We rarely think of a garden as having an acoustic design, but every garden has one – it is simply a question of whether it has been considered or not. An undesigned acoustic garden is often dominated by the sounds we most want to escape: traffic, neighbours, machinery, the low background hum of urban life. A well-designed one replaces or masks these with something more restorative.
The evidence for the stress-reducing effect of natural sounds is robust. Alvarsson, Wiens, and Nilsson (2010), in the International Journal of Environmental Research and Public Health, showed that recovery from physiological stress was significantly faster when participants were exposed to natural sounds – particularly water – than when they were in urban noise environments. Ratcliffe, Gatersleben, and Sowden (2013), writing in Landscape and Urban Planning, found that birdsong was consistently associated with perceived safety and psychological restoration, with participants linking it specifically to a sense of distance from threat and the presence of a benign, living environment.
The aletheic garden should be designed to maximise these sounds and minimise the intrusive ones.
Sounds of water
Water is the most versatile acoustic tool available to the garden designer. Moving water – a simple rill, a small cascade, a millstone fountain – produces a non-rhythmic, variable sound that engages the nervous system without demanding conscious attention. The Terrapin Bright Green report on biophilic design patterns identifies this quality of non-rhythmic sensory stimuli as one of the most reliably restorative elements in any designed environment, natural or constructed.
A water feature does not need to be large or expensive to be effective. What matters is that the water moves, and that the sound it produces is audible from the areas of the garden where you most want to rest or spend time.
The rustle of leaves in a breeze
Planting also contributes significantly to the acoustic environment.
Ornamental grasses, such as Miscanthus, Calamagrostis and Stipa, produce a dry, whispering sound in even a light breeze that is immediately evocative of open grassland and remarkably effective at masking harder urban sounds.
Bamboo, used carefully and with its invasive tendencies properly managed, produces a more percussive, hollow sound that can feel distinctly immersive.
Deciduous trees with large, loose canopies create a shifting, layered rustling that changes in quality with the wind and the season.
Birds and bees
Birdsong is perhaps the most desirable acoustic element of all, and the most difficult to design for directly – you cannot instruct a blackbird where to sing. What you can do is create the conditions that attract birds. consider berry-bearing shrubs, trees for nesting and roosting, a reliable water source, and an absence of disturbance. A garden that supports bird life will, in time, reward that investment with an acoustic richness that no water feature or wind-responsive planting can fully replicate.
Don’t forget insect life either. The sounds of buzzing bees as they gather nectar or the chirp of grasshoppers all add to the acoustic palette. If you are lucky, and have a pond, you might also hear the occasional croak of a frog.
Light, shadow, and the time of day
A garden is not a static object. It is a time-based experience, and perhaps the most significant dimension along which it changes – more than season, more than weather – is the quality of light across the hours of the day.
Many gardens are designed for a notional peak moment, for instance, a sunny afternoon in midsummer. This is understandable, but it misses most of what a garden can actually offer. The light of a March morning, low and directional, casting long shadows across a frosty lawn, is a completely different sensory experience from the flat, generous light of a July midday. The golden hour before sunset in September – warm and deeply flattering to every surface it touches – is different again. An aletheic garden should be designed to be used across these different qualities of light, not just in the one moment when it looks its best.
The science behind our response to light quality is relevant here. As I explored in an earlier post on light and health, the spectral quality of natural light shifts continuously across the day – bluer and more stimulating when the sun is high, warmer and more red-shifted at the beginning and end of the day. These shifts are not merely aesthetic; they regulate circadian rhythms, influence cortisol and melatonin production, and have measurable effects on mood and alertness.
Roger Ulrich’s foundational 1984 study in Science, which found that hospital patients with views of nature recovered faster than those facing a wall, was among the first to suggest that the quality of our visual environment has direct physiological consequences – a finding that has been substantially extended and refined in the decades since.
For the aletheic garden, this suggests that orientation matters enormously. A space designed for early morning use – for the particular quality of stillness and low light that makes a garden feel private and uncrowded regardless of what lies beyond its boundaries – needs a different aspect from one designed for evening relaxation. East-facing spaces catch the morning sun and fall into gentle shade by early afternoon. South-west facing areas hold the evening light longest. Understanding how the sun moves through your specific space across the day, and across the season, is the foundation of designing for light rather than merely accepting it.
Shadow is the other half of this, and it is undervalued in garden design to roughly the same degree that light is overvalued. Dappled shade – the shifting, variable shadow cast by a tree canopy moving in a light breeze – is one of the most consistently restorative visual experiences the garden can offer. It is non-rhythmic, endlessly variable, and engages the visual system in a way that neither full sun nor deep shade can match.
Kaplan and Kaplan’s Attention Restoration Theory identifies exactly this quality of soft fascination – stimuli that engage attention gently and without demand – as the mechanism by which natural environments allow the directed attention system to recover from fatigue.
A patch of dappled shade on a warm afternoon is, in this sense, not a luxury but a neurological resource.
Practically, dappled shade is created by canopy – trees with open, airy crowns rather than dense, solid ones. Birch and willow species are particularly good for this: their small leaves and open habit create a fine, moving shade that is qualitatively different from the heavier shade of a sycamore or a horse chestnut. Acacia and false acacia (Robinia pseudoacacia ‘Frisia’), multi-stemmed Amelanchier, and the lighter Sorbus species all perform well in this role in gardens.
The goal is not to reduce light but to animate it – to turn a static, uniform brightness into something variable, alive, and endlessly interesting to be beneath.
The transition between inside and out
The threshold between interior and garden is one of the most consequential design decisions in the whole project of creating an aletheic space, and it is one that receives surprisingly little deliberate attention in most domestic design. We think about the garden, and we think about the interior, but the moment of passing between them – the quality of that transition – is usually an afterthought.
It matters because transition is itself an aletheic act. Moving from the enclosed, controlled, artificial environment of the interior into the open, variable, living environment of the garden is a shift in sensory register that the body notices immediately. The air changes. The light changes. The acoustic environment changes. If that transition is abrupt – a single step from a heated room through a narrow door into the open – the body experiences it as a mild shock, pleasant or unpleasant depending on the conditions, but in either case not fully prepared for what it is entering.
A designed transition slows this shift and makes it intentional. It might be a conservatory or garden room that sits between the two – a space that is enclosed but plant-filled, warmer than the garden but more connected to it than the main interior, where the body can begin to adjust its expectations before full exposure. It might be a pergola immediately outside the main exit point, providing overhead shelter that allows the garden to be entered gradually – protected from rain or direct sun, but open to air movement, sound, and the view of the planting beyond. It might simply be a wider, more generous doorway with a deeper threshold – a step or two of transitional material between the interior floor and the garden surface.
The indoor-outdoor transition also has implications for the aletheic practice of moving between clothing and unclothed states. A space that requires a long walk through the interior to reach a private outdoor area will be used less frequently and with less ease than one where the transition is short, direct, and contained. Practically, this might mean locating a changing area, a hook for a robe, or simply a place to leave shoes close to the point of exit – small provisions that reduce the friction between the interior and the garden and make the transition feel natural rather than deliberate.
A narrow veranda or transitional space that runs along the edge of a house, neither fully inside nor fully outside – captures something of what this transition can be at its best. It is a space of pause, of adjustment, of being simultaneously sheltered and exposed. It is not common in most British domestic architecture (but maybe it could be), but the principle it embodies – that the boundary between interior and exterior is worth dwelling in, not rushing through – is certainly worth exploring.
Coming up in part 3
The next post covers overcoming challenges of the space and making the garden usable year-round. I also discuss World Naked Gardening Day, which in the northern Hemisphere is the first Saturday in May.
