Tuesday, September 22, 2026

Use It Or Lose It

I've come to realize that many people I know can barely tell one plant from another. Yes, they may know a tree from a weed, or maybe a shrub from a cactus. 

According to science journalist Zöe Schlanger, "'plant blindness' is the tendency to view plant life as an indistinguishable mass, a green smudge, rather than as thousands of genetically separate and fragile individuals, as distinct from one another as a lion is from a trout."

To one degree or another, most of us suffer from plant blindness, at least compared to our ancestors. For much of human history, knowing the subtle differences between plants was much more a matter of life and death than it is today. When we lived closer to nature, it was important to know, say, which red berries were delicious and which might kill you; which leaves could alleviate your headache and which could cause seizures; which you could wear and which could cause a rash. 

But today, we tend to come across "plants" as products in the form of berry baskets, medicines, and clothing. The necessity to know the properties of this plant or that plant isn't as vital as it once was, so our ability to do so has atrophied. In our fantasies, we often imagine that if a caveman was transported through time to our modern world, they would be in awe. And I'm sure they would be, although much of that awe would be over how stupid and oblivious we've become. 

As the saying goes, "use it or lose it." We've outsourced plant knowledge to farmers, chemists, and the entire supply chain that manufactures and brings things to market, specialists who supposedly free us up to specialize in our own right. 

Today's children spend significantly less time outdoors than previous generations, part of a decades-long shift of childhood from outdoor environments to indoor ones. Indeed, Americans of all ages now spend about 90 percent of their lives indoors. So, of course, this ability is atrophying.

The modern world is built on specialization, on individuals picking what they will use and what they will lose. Unfortunately, that also means we lose our connection to things that may well be important to us. I mean, the smartphone or AI may represent grand, perhaps misguided, definitely uncontrolled "experiments" that may wind up killing us all, but this experiment in disconnecting from nature is, from where I sit, a far more dangerous experiment.

This is part of the reason I feel so strongly that every preschool playground should include plants. A garden is a good place to start, but also trees, grasses, vines, shrubbery, and whatever else will grow in and around the place. Even better, of course, is an adjacent forest or pond or beach or bush or vacant lot where the weeds run wild. Sadly, most playgrounds are soft fall zones and out-of-the-box equipment, with, perhaps a patch of well-mown grass. We think that represents "safety" when, in fact, it represents the adult's ignorance of nature, the full needs of children, and the only real safety that has ever existed: the experience to keep oneself safe. Use it or lose it.

We'll never be as plant savvy as our hunter-forager ancestors, nor do we need to be, but what else do we miss in our near complete inability to recognize these living things that were here for millennia before us and will likely be here for millennia after we Homo sapiens have either died off or evolved into whatever is next? 

What else are we blind to? The evidence is that we, as individuals, are blind to most of reality, even if we, as a species, have specialists who know a lot about a lot.

I often see our youngest children as the last of the generalists, which is why I want them to play. If nothing else, when we let them choose what to explore, what to think about, what to experiment with, we allow them to discover connections with the world to which the rest of us have become ignorant through disuse. We often talk about the early years as a time for building foundations, but maybe a better metaphor is to think of it as discovering how to connect with the world in all its wonder.

In our species' "progress," we've lost at least as much as we've gained as we've leaned into our capacity for specialization. But of all the things we've lost, I wonder if the one indispensable thing is the capacity to connect directly to the rest of the world, freely, without the perpetual guiding hand of for-their-own-good specialists. And that capacity is built through play.

Use it or lose it.

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It's hard sometimes to stay-the-course these days, but every child thrives in a self-directed environment because every child deserves the right to pursue their own special genius in the company of others who likewise are pursuing their special genius. It's not just a foundation for life, but a way of life. If you want to provide this kind of playful childhood for the children in your life, then join us for a 2-week pop-up version of Teacher Tom's Play-Based Learning starting September 24. It's designed for early childhood educators, childcare providers, parents, and grandparents who know that there is so much more than mere academics. This is a great way to make sure the whole team is on the same page to begin to coming school year. To learn more and to register, click here. But hurry, we start on Thursday!


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