Snowflake Varieties Explained: The Weird, Wild, and Scientific Side of Winter

As fall winds down and we inch closer to winter, snow is about to take center stage. Some people love it, others can’t stand it, but one thing’s certain — there’s a lot more to each snowflake than you might think. Our wildlife expert, Jen the Zookeeper, takes a closer look.

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A Brief, Mildly Ridiculous, and Moderately Scientific Look at Snowflake Varieties

If you’ve ever caught a snowflake on your glove and thought, “Ah yes, another hexagonal crystal with delusions of grandeur,” you’re already halfway to understanding snowflake science.

Snowflakes form when water vapor condenses directly into ice around a microscopic particle—often a speck of dust, pollen, or whatever else happened to be floating around with poor life direction. Because water molecules like to arrange themselves in a hexagonal lattice (a sort of molecular group hug with strict geometry), snowflakes grow with six-fold symmetry. This is why they never form as squares, triangles, or the faces you tried carving into your high-school pumpkin.

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Scientists classify snowflakes into several categories, including but not limited to: stellar dendrites (the classic ornate ones), sectored plates (snowflakes that couldn’t commit to being flat or dramatic), needles (the minimalist snowflakes), and irregular crystals (the nonconformists who refuse to meet symmetry quotas). Temperature and humidity determine which type forms, creating a meteorological menu that nature chooses from with all the consistency of a toddler selecting breakfast cereal.

Perhaps the most famous snowflake myth is that no two are alike. Technically that’s plausible, given the astronomical number of molecular configurations—but in practice, it’s more a poetic slogan than a rigorously defended theorem. Still, it’s comforting to imagine each snowflake drifting down with its own unique identity, even though many are essentially mass-produced at atmospheric speed.

In summary: snowflakes are tiny, icy hexagons shaped by physics, humidity, and the chilly whims of the upper atmosphere. They’re fragile, beautiful, and scientifically predictable, yet somehow still manage to behave like small frozen divas.

More on Jen the Zookeeper

Jen has spent more than 30 years immersed in the fields of animal care, conservation, and science education. As the former Director of Animal Care for The New Canaan Nature Center in Connecticut, she oversaw the care of native mammals, reptiles, and birds of prey while educating the public about the important roles these wild neighbors play in our ecosystem.

Her experience also includes time with both the Bronx Zoo and the Los Angeles Zoo, where she focused on the care of African and Asian wildlife and helped teach visitors about the delicate balance between humans and natural habitats.

Later, while working at a wildlife sanctuary in Half Moon Bay, California, Jen played a key role in training and handling nearly 50 exotic species. She also developed educational programs for at-risk and foster youth, helping historically underserved kids build trust, confidence, and healing connections with the non-releasable animals at the sanctuary.

In addition to her extensive wildlife work, Jen has experience in horse and dog training, animal control, veterinary care, and all things conservation education. Today, she owns and operates Jen Kotkin Pet Care, where she provides personalized care, exercise, and enrichment for dogs, cats, horses, birds, and more.