Is making a terrarium really good for your mind? What science (and people) say
Is making a terrarium really good for your mind? What science says (and what people say)
For many people, yes: building a terrarium is a slow, creative hands-on activity that indoor gardening research associates with short-term positive effects on perceived stress, state anxiety, and some physiological indicators. However, it is not a clinical therapy and does not replace care from doctors, psychologists, or therapists.
A friend once told me something I’ll never forget: after being diagnosed with Parkinson’s at a young age, he started doing precision crafts. Building terrariums was one of them. He told me that as he arranged layers of peat, charcoal, and gravel, his hands found a calm that eluded him during the day. He wasn’t cured, and it wasn’t therapy. But in those minutes, the art of tranquility - as he called it - helped him control his movements better.
In this in-depth guide, you’ll learn what scientific research really says about the benefits of indoor gardening and terrarium-making for people living with stress, anxiety, Parkinson’s, ADHD, or dementia, or simply wanting to slow down. We’ll look at what we can and can’t honestly claim, and how to get started, including with small kits.
Building a terrarium is a slow, creative hands-on activity that combines contact with living plants, fine motor skills, and gentle attention. Scientific research on indoor gardening shows short-term positive effects on perceived stress, state anxiety, and some physiological indicators, but it is not a clinical therapy.
What happens in your body and mind when you build a terrarium
When you build a terrarium, slow, precise movements capture a gentle attention, the “soft fascination” described by Kaplan, allowing the mind to rest. Meanwhile, the fine motor activity helps activate the parasympathetic nervous system, reducing heart rate and muscle tension and creating an overall sense of calm.
When you devote yourself to creating a terrarium, your body and mind enter a specific state characterized by calm and focused attention, which can create a deep sense of well-being.
This process involves several psychophysiological mechanisms that help reduce stress and improve concentration.
Slow gestures that call for attention: Kaplan's "soft fascination"
The act of assembling a terrarium is inherently slow and methodical. Each step, from arranging the drainage layer to choosing the plants, requires gentle precision that draws the mind away from everyday worries.
This phenomenon is described by Stephen Kaplan's Attention Restoration Theory (ART) (1995), which refers to "soft fascination." This is involuntary attention, captured by non-threatening natural stimuli, that allows the mind to rest and regenerate, without the effort required by directed attention.
The delicate work with seedlings and the selection of stones or moss are all elements that encourage this form of restorative attention, allowing the brain to recover cognitive energy.
Busy hands, a slower mind: fine motor skills and parasympathetic activation
Engaging in activities that require fine motor skills, such as handling small plants or arranging decorative elements, stimulates brain regions linked to coordination and precision. This not only improves manual skills, but can also have a calming effect on the nervous system.
When we focus on hands-on tasks, activity in the sympathetic nervous system (responsible for the "fight or flight" response) tends to decrease, making room for activation of the parasympathetic nervous system, which promotes relaxation and rest. This leads to a reduction in heart rate and muscle tension, contributing to an overall sense of calm.
Roger Ulrich's Stress Recovery Theory (1991) suggests that exposure to natural environments or natural elements, such as plants, can trigger physiological recovery from stress, reducing indicators such as blood pressure and muscle tension.
Why it works for many people (and who it might not work for)
The combination of gentle focus and parasympathetic activation makes terrarium-making a potentially beneficial activity for many. It works well for people looking for a hobby that offers an escape from digital stress, those who enjoy working with their hands, and those who find comfort in caring for something living.
However, it may not be ideal for everyone. People with specific allergies to soil or plants, or those who find the precision required frustrating, may not enjoy the same benefits. It always comes down to personal preference and how the activity fits with your own needs and abilities.
The science behind calm
Kaplan's (1995) Attention Restoration Theory (ART) and Ulrich's (1991) Stress Recovery Theory are cornerstones of the study of nature's benefits for the mind. ART explains how exposure to natural settings, even miniature ones like a terrarium, can restore attentional capacity. Stress Recovery Theory, on the other hand, highlights how observing natural elements rapidly reduces physiological stress indicators such as blood pressure and heart rate.
What the scientific research really says (and where it stops)
Research on indoor gardening and horticultural therapy shows reductions in stress and state anxiety and improved mood, with stronger evidence from larger studies and more cautious findings for anxiety and clinical depression. There is only one peer-reviewed study on terrarium-making itself, with preliminary results: the benefits cannot be automatically generalized.
Scientific research on indoor gardening and horticultural therapy offers an interesting picture of the mental health benefits, but it is crucial to understand the limitations and specifics of the evidence, especially when discussing terrariums.
The strongest evidence comes from larger studies, while research specifically on terrarium-making is still exploratory.
Studies on indoor gardening and stress: what they found
Numerous studies have explored the impact of indoor gardening on psychological well-being. A meta-analysis by Soga, Gaston, and Yamaura (2017), published in Preventive Medicine Reports, examined the effect of contact with nature on mental health, finding a significant effect with an effect size of 0.42 (95% CI 0.36–0.48) across various well-being outcomes.
More recently, a systematic review and meta-analysis by Lu, Liu, and Xu (2023) in Frontiers in Psychology, which included 31 studies and 1,036 participants, found a significant reduction in stress and an improvement in psychological indicators, with an SMD of −0.73 for indoor gardening interventions.
Specific studies on indoor plant activities
Focusing on indoor plant activities, a study by Lee, Lee, and Park (2015) in the Journal of Physiological Anthropology compared 15 minutes of indoor transplanting with a computer task. Participants in the gardening group showed significantly lower diastolic blood pressure and sympathetic activity, indicating greater physiological relaxation.
Another pilot RCT by Odeh, Diehl, and Nixon (2022), published in PLOS ONE and conducted with 32 women, found that 8 indoor gardening sessions led to significant improvements in POMS (Profile of Mood States), PSS (Perceived Stress Scale), and BDI-II (Beck Depression Inventory-II) scores.
Studies on clinical anxiety and depression
Research on more specific conditions is more cautious. A review by Wood, Barton, and Wicks (2025) in Frontiers in Psychiatry, analyzing 17 studies and 879 participants, found an SMD of −1.01 for depression and −0.62 for anxiety in horticultural therapy settings, while noting methodological limitations.
A more recent RCT by Joubert (2024) in Scientific Reports, involving 211 psychiatric patients, showed a reduction of −1.48 points in the HADS-Anxiety score after 4 weeks of gardening interventions. These results are promising but do not amount to a cure.
And what about terrariums specifically?
Scientific research specifically on terrarium-making is still limited. The only peer-reviewed study focusing directly on this activity is by Gavron and Shemesh (2022/2024), who explored the concept of "Expressive Terrarium" in the Journal of Art Therapy, with preliminary results suggesting expressive and well-being benefits.
It is important to note that although the evidence on indoor gardening and horticultural therapy is strong, we cannot automatically extend all the benefits to terrarium-making without dedicated studies. The observed effects are inferred from the broader literature, but the specific nature of the activity (a closed ecosystem, precise care) may have distinctive features that have not yet been fully investigated.
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Who can benefit: stories and settings
Terrarium-making can be valuable for people living with Parkinson’s or other neurological conditions, people experiencing anxiety, chronic stress, or burnout, children and teens, including those with ADHD, older adults and people in care settings, and adults looking for a break from digital devices, always as a wellness activity and never as therapy.
Although terrarium-making is not a therapy, it can be a valuable activity for different groups of people, offering an opportunity for engagement, calm, and connection with greenery while adapting to different settings and needs.
Its features make it an interesting option for anyone looking for a meaningful hands-on activity.
People living with Parkinson’s or other neurological conditions
Like the friend who told me about their experience, many people with Parkinson’s find precision hand activities beneficial. The systematic review by Foster, Bedekar, and Tickle-Degnen (2014) in the American Journal of Occupational Therapy highlighted how task-specific activities in occupational therapy can improve motor function and quality of life.
Although the terrarium does not “improve fine motor skills” or “reduce tremors” in a clinical sense, engaging in an enjoyable, focused activity can draw attention away from symptoms and promote a sense of control. Dirkx, Helmich, and Bloem (2017), in CNS Neuroscience & Therapeutics, showed how cognitive stress can increase resting tremor; by contrast, calm environments and enjoyable activities are consistent with a more peaceful experience.
For many people with Parkinson's, meaningful hands-on activities can be engaging and enjoyable. This doesn't mean that a terrarium is a therapy: it means it's a human activity that some find sustainable and rewarding. If you're considering a kit for someone with limited motor skills, it's advisable to choose an open format or a kit with larger components, such as our Lamparium Kit, and consult an occupational therapist to assess its suitability.
People living with anxiety, chronic stress or burnout
For people living with anxiety, work-related stress or burnout, terrarium-making offers a tangible break. The hands-on activity and concentration required can act as a form of practical mindfulness, anchoring the mind in the present and reducing rumination. The studies by Lu (2023) and Joubert (2024) cited earlier support the idea that indoor gardening may reduce state anxiety and improve mood.
The ritual of caring for a small ecosystem, observing plant growth and maintaining balance can create a sense of calm and control. This "flow state," in which you are completely immersed in the activity, is a powerful antidote to stress. For those working in high-pressure environments, adding natural elements, such as a Stabilized Moss and Lichen Rectangular Wall Art or a terrarium, can help create a more relaxing environment, as suggested by Bringslimark, Hartig and Patil's (2007) studies on office plants.
Children and young people (including those with ADHD or attention dysregulation)
Contact with natural elements and hands-on activities are often enjoyable for children. Building a terrarium can be a practical activity that encourages curiosity, responsibility and patience. Studies such as Kuo and Taylor (2004) in the American Journal of Public Health have suggested that exposure to nature may improve concentration in children with ADHD, although Hood and Baumann (2024) and Gordon and Canu (2005) have highlighted the need for further research and caution in interpreting the findings.
This doesn't mean that a terrarium "cures" ADHD: it is not a treatment. It means it can be a meaningful, calming activity to do together, with adult supervision when using tools and to ensure safety with materials such as activated charcoal. Our "Giulia's World" kit is designed especially for young children, with easy-to-handle components and clear instructions for a fun, educational experience.
Older people and care settings
In care homes and supported settings, structured therapeutic gardening programs show promising results for agitation and mood. A meta-analysis by Lu, Lan and Hsieh (2019) in the American Journal of Alzheimer's Disease & Other Dementias, involving 552 people with dementia, found a reduction in agitation with an SMD of −0.59. Murroni, Cavalli and Basso (2021) also reported similar benefits.
At home, a terrarium kit can be a supervised activity shared with a family member; it does not replace professional interventions. Creating and caring for a terrarium offers a sense of purposeful activity, stimulating memory, motor skills, and social interaction when done in a group. It’s a way to keep the mind active and enjoy the beauty of nature, even in limited spaces.
Adults looking for a break from the digital world
Even for healthy adults, a terrarium offers a practical, relaxing alternative to digital overload. It’s an activity that encourages taking a break from screens, stimulating creativity and mindfulness. Time spent creating your own little green world is an investment in your well-being, a moment of “slow living” that counters the frenetic pace of modern life.
It’s not just a pastime, but a practice that can improve quality of life by reducing cortisol levels (the stress hormone) and improving heart rate variability (HRV), indicators of a more balanced autonomic nervous system.
Why choose a terrarium over another hands-on activity?
In a world full of hands-on hobbies, the terrarium stands out for its ability to combine creativity with caring for a living ecosystem, offering a unique and deeply rewarding experience.
It’s not just an object, but an ever-evolving process that connects us with nature.
The unique combination: live plants + aesthetic composition + ongoing care
Unlike many other hands-on activities that end once the project is complete, a terrarium is a living creation that requires ongoing care and observation. This extended interaction with plants fosters a special bond, a sense of responsibility, and a connection with nature.
The aesthetic composition and choice of plants and decorative elements stimulate creativity and an appreciation for beauty, turning the process into a personal artistic expression. It’s a micro-landscape that evolves, always offering new details to admire.
How it differs from puzzles, model kits, and knitting (all excellent activities in their own right)
While puzzles, model kits, and knitting are excellent hands-on activities for concentration and relaxation, a terrarium adds a unique dimension: the “life factor.” It’s not just about assembling pieces or following a pattern, but creating a sustainable environment for living things.
This difference is crucial for anyone looking for an activity that goes beyond a simple pastime, offering an opportunity to nurture and observe growth—an experience that can be deeply therapeutic and rejuvenating.
The “life factor”: caring for something that grows
The true heart of terrarium-making is caring for something that grows. Watching tiny plants thrive, adjusting the humidity, and cleaning the glass are all actions that strengthen a sense of competence and personal efficacy.
This “life factor” can be especially meaningful for those who feel overwhelmed or are looking for a sense of purpose, offering a daily reminder of nature’s resilience and beauty.
From our growers’ experience
Over the years in our workshop, we’ve noticed that terrarium kits have become an increasingly popular gift for special occasions, often for people seeking a moment of calm. Our third-generation growers tell us about customers who come back to share the joy of watching their little ecosystem thrive - a sign that caring for these small green oases brings tangible benefits, moments of serenity and pride, even for people who have never considered themselves to have a green thumb.
Getting started: choosing your first terrarium for yourself (or its recipient)
To get started, choose a terrarium based on who will use it: a kit with large pieces and illustrated instructions for children, a classic closed kit with hardy plants for a beginner adult, or open designs and wide containers for someone with limited mobility. The type matters too: closed, open, or a Lamparium with integrated lighting.
Choosing your first terrarium is an important step toward ensuring a rewarding experience. The decision depends on your needs, the time available, and, if it’s a gift, the recipient’s profile.
Our kits are designed for different abilities and preferences, ensuring an ideal starting point.
Closed glass vs. open vs. illuminated Lamparium
The choice between a closed terrarium, an open one, or a lamparium with integrated lighting depends largely on your environment and the level of maintenance you prefer. Closed terrariums create a self-contained microclimate that needs very little attention, making them ideal for anyone looking for a self-sustaining ecosystem.
Open terrariums require a little more attention when it comes to watering, but they're perfect for plants that thrive in dry air or for anyone who wants to interact with plants more often. Lampariums, with integrated LED lighting, offer an attractive and functional solution, providing the right lighting and creating a bright focal point in any room, even with little natural light.
How much time to spend (research says: just 10–30 minutes is enough to feel acute effects on perceived stress in crossover studies; for lasting benefits, a frequency of ≥2/week, as suggested by Wang, Qian, Yu 2024)
You don't need to spend hours every day to feel the benefits of a terrarium. Research suggests that even just 10-30 minutes of interacting with plants can have acute effects on perceived stress reduction, as shown in crossover studies.
For lasting benefits, a frequency of at least twice a week, as indicated by recent studies (Wang, Qian, Yu 2024), may be sufficient. What's important is the quality of the time spent, your presence and mindfulness, not the quantity.
Explore the full collection of terrarium kits
Building it as a practice: 7 steps that really help
To make building a mindful practice, prepare a quiet space without screens, touch the materials before using them, then calmly add the drainage layer, activated charcoal, and substrate. Arrange the plants without rushing and finish with a light misting. If you get distracted, simply bring your attention back to what you're doing.
Building a terrarium isn't just a hands-on activity; it can become a true mindfulness practice. When performed mindfully, each step helps create a relaxing and meaningful experience, a moment of connection with nature.
Following these 7 steps will help you maximize the benefits for your mind.
7 steps for mindful terrarium building:
- Prepare your space (good lighting, no screens, 30 minutes for yourself) — Find a quiet corner with good indirect natural light. Put your phone away and turn off notifications. Set aside at least 30 uninterrupted minutes for yourself and your terrarium. This is your moment.
- Touch the materials before assembling them (sensory reconnection) — Feel the texture of the stones, the dampness of the moss, the softness of the potting soil. This tactile exploration connects you physically with the natural elements, stimulating your senses and grounding you in the present.
- Drainage layer: listen to the sound of the clay — Pour the expanded clay or pebbles into the bottom of the container. Listen to the sound they make as they fall. This simple, repetitive gesture can be surprisingly meditative, a rhythm that calms the mind.
- Activated charcoal: a small gesture, your full attention — Gently sprinkle the activated charcoal. It's a gesture that requires precision and attention, a small ritual that underscores the importance of every element in your ecosystem.
- Substrate: shape it with your hands, feel the moisture — Add the potting soil. Feel it between your fingers, shape the surface with your hands, notice its moisture. This direct contact with the earth is a profound sensory experience, a reminder of our biophilic roots.
- Arranging the plants: take your time, it's not a task — Position the plants carefully, thinking about their growth and visual harmony. There's no rush, and it's not a race. Every plant has its place, and you're the architect of this little world.
- Final misting: the first "breath" of your mini-ecosystem — Finish with a light misting of water. Watch the droplets settle on the leaves, like the first breath of your terrarium. It's an act of care and a welcome to this new life.
What to do if you get distracted (and why that's perfectly okay)
It's natural for the mind to wander, even during a meditative activity. If you notice you've become distracted, don't judge yourself. Simply bring your attention back to the materials, sounds, and sensations. This act of "returning" to the present moment is the true essence of mindfulness.
Every time you notice your mind wandering and bring your attention back to the activity, you're training your attention and ability to be present, a valuable benefit for the mind.
Daily care as a ritual
Caring for a terrarium doesn't end when you build it. Daily or weekly maintenance - checking the humidity, lightly cleaning the glass, observing the plants - can become a small ritual, a moment to pause and reconnect. This ritual provides structure and a sense of continuity, helping maintain the psychological benefits in the long term.
It's a constant reminder of the beauty of nature and your ability to care for it.
Supervising children
When children use tools or handle small components, adult supervision is always recommended to prevent accidental ingestion or injury.
What a terrarium is NOT (and why it's important to say so)
A terrarium is not a clinical therapy, does not replace psychotherapy, medication, occupational therapy, or physical therapy, does not cure Parkinson's disease, anxiety, depression, ADHD, or dementia, and is not suitable for everyone at all times, for example during acute illness or in cases of severe allergies to plants or substrates. It is an activity for well-being, creativity, and caregiving.
Although the benefits of terrarium-making are evident and supported by scientific evidence on indoor gardening, it's essential to be clear about what this activity is not. This clarity is a sign of respect and honesty toward those seeking genuine support for their health.
A terrarium is a well-being activity, not a medical solution.
- It is not a clinical therapy. Horticultural therapy is a professional, structured intervention conducted by qualified therapists to achieve specific therapeutic goals. Making a terrarium at home, while inspired by similar principles, does not fall into this category.
- It does not replace psychotherapy, medication, occupational therapy, or physical therapy. For medical or psychological conditions, it is essential to rely on the advice and care of healthcare professionals. A terrarium can be a complement, but never a substitute.
- It does not cure Parkinson's disease, anxiety, depression, ADHD, dementia, or Alzheimer's disease. No hands-on activity, however beneficial, can cure complex conditions. To claim otherwise would be dishonest and misleading.
- It isn't suitable for everyone at all times. There are situations where a terrarium may not be appropriate, such as during acute phases of illness, for people with severe allergies to plants or substrates, or for very young children without adequate supervision, due to the risk of swallowing small components.
This doesn't diminish the value of a terrarium. It puts it in the right place: an activity for well-being, creativity, and care, inspired by horticultural therapy practices but distinct from them. It's a way to care for yourself and nature, mindfully and without false expectations.
Frequently asked questions
Can making a terrarium really help reduce anxiety?
Yes, for many people, building and caring for a terrarium can help reduce state anxiety, meaning temporary anxiety linked to specific situations. Studies on indoor gardening, such as the meta-analysis by Lu et al. (2023) and the RCT by Joubert (2024), have shown a significant decrease in psychological indicators of stress and anxiety. The focused attention and "soft fascination" encouraged by terrarium-making can take the mind off worries, promoting a sense of calm and presence.
Can building a terrarium help someone with Parkinson's disease?
A terrarium is not a treatment for Parkinson's disease, but the hands-on, precision work it involves can be engaging and rewarding. Foster et al.'s (2014) review highlighted the benefits of task-specific activities in occupational therapy. For some people, focusing on delicate tasks like placing small plants can offer a moment of calm and a sense of control, reducing stress that may affect motor symptoms. It's essential to consult an occupational therapist to assess suitability and choose appropriate kits.
How much time should you spend on it to feel the benefits?
Research suggests that you don't need to spend many hours on it. Even short sessions of 10-30 minutes can have immediate effects in reducing perceived stress. For a longer-lasting, sustained benefit, studies such as Wang, Qian, Yu (2024) indicate that a frequency of at least twice a week can be effective. What matters is the quality of attention and presence during the activity, turning it into a small wellness ritual.
Can I give a terrarium kit to a friend going through a difficult time?
Yes, a terrarium kit can be a meaningful gift for a friend going through a difficult time, as long as it's clear that it isn't a therapeutic solution. It offers a hands-on activity, a positive focus, and a symbol of new life. It's a caring gesture that invites mindfulness and reconnection with nature. Choose a kit suited to their level of experience and, if necessary, suggest they talk to a professional.
Is it also suitable for children with attention difficulties?
Making a terrarium can be an engaging activity for children, including those with attention difficulties, as it stimulates concentration and fine motor skills. Contact with nature and hands-on activities are often enjoyable and can encourage "soft fascination." It is not a treatment for ADHD, but it can be a way to practice paying attention in a fun, creative setting, always with adult supervision to ensure safety and provide the necessary support.
Is it suitable for older people or those with dementia at home?
For older people or those with dementia, a terrarium can offer a meaningful and stimulating activity, especially when done with a family member or caregiver. Studies on horticultural therapy in care settings, such as the meta-analysis by Lu et al. (2019), have shown reduced agitation and improved mood. It is important to choose kits with easy-to-handle components and provide adequate supervision, adapting the activity to individual abilities. It does not replace professional interventions.
What is the difference between horticultural therapy and making a terrarium at home?
Horticultural therapy is a structured clinical intervention led by a qualified therapist, with specific, measurable therapeutic goals, often in rehabilitation settings. Making a terrarium at home, on the other hand, is a recreational activity for personal well-being. Although they share some principles (contact with nature, hands-on activity), making a terrarium at home has no diagnostic or therapeutic purpose and does not replace professional clinical care.
Do you need a “green thumb” to get started?
Absolutely not. Terrarium kits, especially beginner-friendly ones like Kit Nadia, are designed to be easy to assemble and maintain, even for people with no experience with plants. The detailed instructions and choice of hardy plants make the experience accessible to everyone. The goal is to enjoy the process and its benefits, not to demonstrate advanced botanical skills. It’s a great way to develop your “green thumb” at your own pace.
What should I do if I have anxiety but am also allergic to pollen or potting soil?
If you have allergies, it’s essential to choose carefully. Many closed terrariums reduce exposure to pollen. For the potting soil, you can opt for inert substrates or hydroponics, or wear gloves and a mask while assembling your terrarium. It’s advisable to consult your allergist before getting started. Our kits use carefully selected plants, but individual sensitivities vary. Safety comes first to ensure a rewarding experience without risk.
Can terrariums be used for workshops in schools or nursing homes?
Yes, terrarium-making is well suited to educational or recreational workshops in schools and nursing homes, provided the activity is adapted to participants’ ages and abilities and conducted under supervision. It offers a hands-on opportunity to teach ecology concepts, stimulate creativity, and encourage social interaction. In therapeutic settings, it can be incorporated into occupational therapy programs with specific goals, always under the guidance of qualified professionals.
Want to take it slowly? Explore our complete kits, designed for everyone—from Mondo di Giulia for little ones, to Kit Nadia for adults just starting out, and Kit Master for those looking for a complete experience. If you’re thinking of a gift for someone dear to you who’s going through a difficult time, message us on WhatsApp: we’ll help you choose the most suitable kit, without making promises we can’t keep.
Article prepared by the botanical team at I Giardini di Giulia, an Italian company run by third-generation nursery growers. The scientific sources cited are peer-reviewed and accessible via the links in the text. This article is for informational purposes: for any clinical decisions, consult your doctor, psychologist, or occupational therapist.
