Adding plants to front gardens reduces stress and makes people happier – study

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Adding Plants To Front Gardens Reduces Stress And Makes People Happier – Study
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Press Association
Adding just a few plants to a bare front garden can lower stress levels and help people feel happier, research suggests.

Researchers introduced ornamental plants such as juniper, azaleas, clematis, lavender, daffodil bulbs and petunias into small bare front yards in economically deprived streets in Salford, Greater Manchester.

The study by the Royal Horticultural Society and the universities of Sheffield, Westminster, and Virginia in the US then measured the stress levels of residents taking part in the scheme and asked them how they felt.

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Rows of newly planted snowy mespilus in front gardens (Anna Da Silva/RHS images/PA)
Rows of newly planted snowy mespilus in front gardens (Anna Da Silva/RHS images/PA)

Some 42 residents with 38 gardens were involved in the study, with one group receiving theirs a year later to act as a control group.

Residents could each receive one tree, one shrub, one climber and enough smaller plants, bulbs and bedding plants to fill two containers.

They were not required to look after the plants, as the containers were “self watering” with a 22-litre in-built reservoir of water, but they were encouraged to take part in gardening their plot, with help from the RHS advisory team.

The team measured residents’ cortisol – the key stress response hormone – before and after the plants were added, and found a higher proportion of healthy daytime cortisol patterns after planting, suggesting they had a better health status.

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The research found only 24% of residents had healthy cortisol patterns before the plants went in, but over the year following the greening of the front gardens, this increased to 53%.

Researchers planted up the gardens for residents (Anna Da Silva/RHS images/PA)
Researchers planted up the gardens for residents (Anna Da Silva/RHS images/PA)

More than half of the residents in the trial said the garden helped them to feel happier, while two fifths reported the garden help them to relax and just over a quarter said it helped them get closer to nature.

More in-depth interviews showed the garden motivated people to do more gardening and renovate other areas of their home and garden.

They also found the garden relaxing and that it gave them a sense of pride in their home, and all of them reported the plants made them feel more cheerful and lifted their spirits when they looked at them.

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Dr Lauriane Suyin Chalmin-Pui, who conducted the research as part of her PhD and who is now an RHS wellbeing fellow, said: “We can now further evidence the vital need to incorporate plants into our front gardens and domestic spaces.

One of the gardens after the horticultural intervention (Lauriane Chalmin-Pui/RHS images/PA)
One of the gardens after the horticultural intervention (Lauriane Chalmin-Pui/RHS images/PA)

“This will require a change in the way we strategise, design, plan and build our living spaces.”

She added: “The stress reduction data is startling, in that we found such a significant response with just a relatively small number of plants.

“Now we know that access to even a tiny patch of nature has beneficial effects for our health. Re-greening our neighbourhoods is really important.”

Professor Alistair Griffiths, from the RHS, said: “With so many millions more people gardening after discovering a passion to grow during lockdown, the RHS hopes this research inspires more people to plant a few plants, from containers and window boxes to hedges and trees, in their street-side outside spaces.

“This research highlights the essential role of private gardens and the horticulture and landscape industry in delivering natural capital that improves the health of our nation.”

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