The Columbus Dispatch

Houseplant­s can improve air quality, your work efficiency and aesthetics

- Mike Hogan Guest columnist Mike Hogan is an associate professor at Ohio State University and an educator at the OSU Extension. hogan.1@osu.edu

Indoor plants bring joy to gardeners and non-gardeners alike, but there are also practical reasons to incorporat­e plants into all types of indoor spaces. In addition to the aesthetic improvemen­ts that plants make to indoor spaces, they can also improve air quality by removing carbon dioxide, particulat­es and airborne volatile organic compounds (VOC'S).

Research has also shown that plants can have positive psychologi­cal and emotional effects on the inhabitant­s of indoor spaces.

Plants improve workspaces

When incorporat­ed into offices and other workspaces, plants can reduce employee sick time by 14% and improve work productivi­ty and speed, according to the National Initiative for Consumer Horticultu­re. Research has also shown that plants can help make workers more creative and productive while helping them to stay calm, engaged and motivated.

I have four plants on my desk with more than a dozen more scattered throughout our office. Plants should be a part of every happy and productive workplace.

Students benefit from indoor plants

Incorporat­ing indoor plants into classrooms can have positive effects on learning and student health, resulting in fewer absences. In a study in Holland, students in classrooms with plants showed a 7% reduction in health problems, an increase in creativity and 20% higher test scores.

Research conducted in classrooms in the United States showed a 10% increase in test scores when plants were incorporat­ed into classrooms, according to the National Initiative for Consumer Horticultu­re.

Teachers also report that students misbehave less in a classroom containing live plants.

Plants can have a particular­ly calming and relaxing effect on children. One study showed that when plants were incorporat­ed into a child's play area, symptoms of Attention Deficit Disorder were less severe.

Choosing houseplant­s

If I have convinced you that you should increase the leaf canopy of your home, office or classroom, you may be wondering which houseplant­s to purchase.

Although there are hundreds of different plants that thrive in indoor environmen­ts, there are some that are very reliable for both their ability to adapt to seasonal changes of indoor environmen­ts and to brighten up and add color and visual interest to hohum decor.

Plants such as bird's nest fern, pothos, dracaena, mother-in-law tongue, spider plant, philodendr­on, fiddle leaf ficus, peace lily, dieffenbachia, schefflera, and many different succulents and sedums will thrive in indoor environmen­ts with little care.

Some plants can be dangerous when ingested by children or pets, so parents might want to avoid incorporat­ing plants such as amaryllis, English ivy, pothos, philodendr­on, poinsettia, sago palm, umbrella plant, jade, many varieties of lilies, monster deliciosa, and mistletoe.

When purchasing plants inspect them carefully for insects, mites or disease and reject any plant that appears unhealthy. After you bring new plants home, isolate them from existing plants and watch for any signs of insects or diseases.

Caring for houseplant­s

The amount of water a plant needs depends on the characteri­stics of the plant and the environmen­tal conditions of the home, office or classroom.

Larger plants and plants with larger leaves will require a greater amount of water and should be checked more often than smaller plants or plants with smaller, finer leaves.

Check plants frequently to ensure that the potting mix is kept moist but not completely wet. And never allow the potting mix to completely dry out. One method for determinin­g if a houseplant needs to be watered is to stick a finger up to the first knuckle in the potting mix and feel whether the soil is wet below the surface.

For a more accurate test, a batteryope­rated moisture meter can be used to determine when plants should be watered.

During winter months when we use furnaces and heaters to warm indoor spaces, the indoor environmen­t can become too dry for many houseplant­s. A common sign of insufficient humidity is browning and withering of foliage. In this instance, plants can be moved into the kitchen or bathroom where air tends to be more humid.

An alternativ­e would be to use a spray bottle to mist both the top and bottom surfaces of the plant's leaves every few days.

Wherever you spend your time indoors, consider adding houseplant­s to the environmen­t to improve your health and mood.

 ?? ?? Office workers are happier and more productive when plants are incorporat­ed into workspaces.
Office workers are happier and more productive when plants are incorporat­ed into workspaces.
 ?? UNSPLASH PHOTOS ?? Watering frequency depends on the type of plant.
UNSPLASH PHOTOS Watering frequency depends on the type of plant.
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