Houseplant Education Series The Pothos

These days, I find myself reminiscing upon many a fond memory of my brother and me playing in our backyard. Pretending to dig up dinosaur bones in a remote and muddy corner of the yard and climbing our giant avocado tree were two of our favourite activities.

As much of a fantasy world as that space was for us as kids, I don’t recall it being much of a garden, per se. My mom, however, was a houseplant virtuoso. My father often complained of living in a jungle, but he wasn’t one to appreciate the natural world anyway. lol

The familiar home garden centers that we enjoy today didn’t yet exist at that time. Instead, I watched my mom delight in collecting different houseplants from where ever she came upon them. Sometimes, in the most interesting of places, looking back. Yard sales, school fundraisers, etc. Most often though, new plant varieties were collected from cuttings that my mom, her twin sister and her friends would trade.

Enjoying plants through means of a shared community experience was one of the first lessons I learned from my mom, in regards to gardening and horticulture in general. That lesson has served me well over these many years.

My introduction to the world of houseplants and their care was with a familiar variety, with a not-so-familiar name. The pothos or Epipremnum aureum (lat.).

History of plant / First Categorization

The now prolific pothos has been traced back to its native roots on the island of  Mo’orea, a member of the societal French Polynesian islands. It was first dubbed Pothos aureus in 1880, during its original categorization. It wasn’t for another 80 years that a flower was observed emerging from this type of plant. Properly naming it was debated based on this new revelation, but in the end, Epipremnum aureum was decided upon as it’s permanent Latin name based on the plants overall leaf structure and growing behavior.

As with many new discoveries and the documentation thereof, during the 19th century, this plant was given many common names, as were many other discovered past and present animal and plant species. Possibly because biologists and horticulturalists simply didn’t have the fast and efficient means of communicating and sharing new information that we do today. Monikers such as Ceylon Creeper, Hunter’s Robe, Money Plant and Devil’s Ivy were given to this plant by different researchers around the world, perhaps due to the individual world perceptions and beliefs of the researchers, at the historical time in which they lived. Since its first categorization, some 140 years ago, this specimen has made its way around the world to become the familiar house and office plant we know today.

Medicinal/Toxic Properties

Toxicity

This plant is listed as toxic to cats and dogs by the ASPCA and Pet Poison Control because of the presence of insoluble raphides. These cause crystallization in the tissue of the esophagus which may lead to choking and the inability to breathe. Great care should be taken to ensure that pets do not have access to them. We have ours in pots, hanging from the ceiling, well out of the reach of our familiars. We think of it as pet-proofing our gardening habit. Due to the calcium oxalate within the plant, it can also be mildly toxic to humans. It would be wise to keep them out of reach of small children, as well.

Medicinal Studies

Many pothos varieties are cultivated, in some cultures, for their ornamental flowers or foliage and others for their food value. In the west, these varieties are more commonly known as ornamental plants having indoor air pollution removing capacity in regards to elements such as formaldehyde, benzene and carbon monoxide, while also helping to eliminate odors. Presently, these plants are being studied with special focus on their potential ethnomedicinal and pharmacological uses that are beneficial to both humans and the environment. We certainly need more things in the world that can do that. There are few available reports to the medicinal properties of the pothos, yet according to innovareacademics.in, it has been found that each part of this plant has antibacterial, anti-termite and antioxidant properties. Research has revealed these plants to potentially be anti-malarial, anti-cancerous, anti-tuberculosis, anti-arthritis and wound healing. Of course, these points of research are in their early stages. This plant should NEVER be used for medicinal purposes without consulting a medical professional first.

Different varieties

The pothos, through environmental adaptation over time, has morphed into several different types. These types are determined by color, leaf shape and growing behavior. The most familiar are listed below.

Marble Queen Pothos – This stunning variety has rather large leaves with a discernible sheen, highlighted by brilliant, white marbling throughout. Growth patterns include a bushy core with trailing, vine-like tendrils.

Golden Pothos – The most prolific of all the varieties, the leaf shape, general color and growth patterns of this variety are consistent with the Marble Queen yet with gold marbling throughout its leaves instead of white.

Jade Pothos – The 2nd most common variety, the Jade Pothos is widely seen in hotels and offices to take advantage of their air-purifying properties. Growing patterns, leaf size and shape are similar to the Golden and Marble Queen varieties, yet are solid green without any marbling effect.

Neon Pothos – Leaf shape and growth patterns are consistent with other varieties yet the ‘neon’ possesses a unique quality. An almost ‘glowing’ effect in its solid, light green leaves.

Silver Pothos – A not-so-common variety, distinct in its beautiful, dark green leaves with splashes of white rendering a more satin finish.

Growth Patterns

In its natural habitat, the E. aureum can often grow to 20m/65ft tall, with stems measuring a staggering 4cm/1.5in across! Similar to orchids and the like, their roots can grow quite happily without soil, latching onto trunks and branches of trees, in a more tropical climate. Under very specific conditions, the pothos may even flower. In the wild, the flowers are produced in a swath which can extend up to 23cm/9in long. Domestic houseplants are less likely to flower, perhaps because the roots are normally in soil and its environment may be less than tropical or wild. The leaves on these trailing stems grow up to 10cm/4in long along tendrils that can reach down more than 91cm/36in.

Basic Pothos Plant Care

Light: One convenient trait of these easy-to-care-for plants is that they need very little light, allowing them to thrive in environments with little access to it. Pothos’ are quite happy to accommodate any light source from natural sunlight to energy-efficient bulbs in homes to florescent bulbs often used in retail spaces, hotels and offices, resulting in them being the most utilized type of plant for decorative effect across the globe.

Water: Pothos are also quite accommodating when it comes to it’s water requirements. Through it’s evolution, the Pothos has adapted to do well in times of drought as well as rain abundance. Which means they can also tolerate an inconsistent watering schedule as an indoor plant. However, in times of extended drought, when the soil completely dries out, plant “drooping” can be observed, at which point the pothos should be watered thoroughly and allowed to drain as needed.

Soil: Considering that these plants grow up in trees in the wild, they aren’t picky about soil quality. Any standard potting mix will suffice.

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Fertilizer: Similarly, any average houseplant fertilizer will work for pothos plants, perhaps every other month or so, as container soil will lose it’s nutrients over time as the plant absorbs it.

Propagation and combination planting

At those times when the Pothos plant is in it’s rapid growth stage (usually in mid-summer), it’s signature, leaf-lined tendrils can grow quite long. This is the perfect opportunity to snip some healthy stems for your pothos cuttings while not affecting the overall health and lush appearance of the plant itself. Each cutting should have four or more leaves on it, to ensure it’s strength and vitality as it develops roots. Remove the leaf that is closest to the cut end. If not, it will become a safe haven for algae and bacteria to grow when submerged in water. Once stems have been cut, place them in a small glass vase or 10oz drinking glass filled with clean, distilled water and place in a sunny window. With the combination of clean water, light and heat (intensified by the glass window pane and the glass container), roots should begin to grow from the small brown nodes present along each stem. Pothos cuttings could also be propagated by introducing a rooting agent and placing them in well-drained potting soil. However, since Pothos plants grow so happily devoid of soil in the wild, I prefer to root them in a plain glass of water without any rooting agents. I simply haven’t found it to be necessary, in this case.

If you have the opportunity to root stems from different varieties of pothos, why not go wild and put them together as a combination planting. Pothos tend to play nice with others as well so I like to mix them with other varieties of houseplant such as this mix that I just started, with two different types of pothos with pops of wandering jew (Tradescantia zebrina) for contrasting color and pattern.

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Part of the enjoyment of gardening is the understanding of it, from many aspects, through education. I have been absolutely fascinated on this journey through the world of horticulture and I am delighted to be able to share that fascination with you. Be sure to enjoy all the posts in this series, and feel free to share how they have benefited your journey.

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Published by Relijen

I’m a born and bred Southern California girl, who became an unexpected Manitoba girl when I went and fell in love with a Winnipegger. I invite you to join me on this journey of adjustment and adventure as I learn to adapt my passion for cooking, baking, gardening and interior design, to this very different culture and climate.

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