Taro, Poi, and Beyond: Discovering Hawaii’s Root Vegetable Heritage

On the windward side of Kaua‘i, the Hanalei Valley spreads out in a patchwork of flooded terraces. These are lo‘i fields, and they’ve been growing taro for centuries. The plant — Colocasia esculenta — arrived with Polynesian voyagers, and over generations it became the backbone of Hawaiian life. Today, taro still anchors local tables, most famously as poi, but also in chips, pancakes, and even desserts. This guide covers the varieties you’ll encounter, how poi is made, and where to taste it across the islands.

Hawai‘i grows roughly dozens of taro varieties, though only a handful make it to market. The most common is ‘Kalo’, the standard for poi, while ‘Lehua maoli’ stands out for its vivid pink flesh and is often reserved for ceremonial use. What you won’t find on every menu is the full story — taro isn’t just food. It’s considered the elder sibling of the Hawaiian people, a belief that shapes how farmers tend the lo‘i and how families approach the harvest.

Where Taro Grows: The Lo‘i Fields of Hawai‘i

Taro is an aquatic plant, and the traditional lo‘i fields are terraced patches engineered to flood with stream water. You’ll see them most clearly on Kaua‘i and the Big Island.

The Hanalei Valley on Kaua‘i holds some of the most photographed lo‘i in the state. From the Hanalei Valley Lookout, the green terraces stretch toward the ocean, and on a rainy morning the mist sits low over the paddies. On the Big Island, the Waipi‘o Valley once supported extensive taro cultivation, and a handful of families still work the fields there. Access is limited — the road into Waipi‘o is steep and requires four-wheel drive — but guided tours run from the lookout.

One limitation worth knowing: many lo‘i are on private land. You can’t just walk into a field. The best way to see them up close is through a farm tour or a cultural hike. The connection between the people and the lo‘i is deeply spiritual, and farmers often lead with a chant or offering before work begins. That’s not performance — it’s part of the process.

Tasting Taro: From Poi to Pancakes

Poi — The Classic

Poi is made by steaming taro corms until soft, then pounding them on a wooden board with a stone pounder called a pohaku ku‘i ‘ai. Water is added gradually to reach the desired consistency. Fresh poi is mild and slightly sweet. Left to sit, it ferments and turns sour — some people prefer it that way. The texture ranges from thin and runny (one-finger) to thick enough to scoop with two fingers.

You’ll find poi at most Hawaiian plate lunch spots and at lu‘au buffets. It’s traditionally eaten alongside kalua pig and lomi salmon. A common mistake is treating poi like a side dish to be eaten alone — locals use it as a palate cleanser between bites of rich meat. Try a small scoop with a piece of smoky pork, and the combination makes more sense.

Taro Chips and Other Snacks

Taro chips are a common alternative to potato chips, with a denser crunch and a slightly nutty flavor. You’ll see them in most grocery stores and at farmers’ markets. The purple variety, made from ‘Lehua maoli’, turns a striking magenta when fried. They’re a good entry point if you’re not ready for poi.

On the sweet side, taro shows up in pancakes, mochi, and ice cream. The flavor is mild — think vanilla with a hint of earthiness — and the purple color is natural. Taro bubble tea is also popular, though many shops use taro powder rather than real taro. If you want the real thing, ask if it’s made from fresh taro paste.

Poi ‘Uluhe and Other Variations

Not all poi is made from taro. Breadfruit (‘ulu) is sometimes used to make a version called poi ‘uluhe, which is sweeter and less sticky. Sweet potato poi also exists, though it’s less common. These variations are harder to find outside of home kitchens or community events, but you might spot them at a ho‘olaule‘a (celebration) or a cultural festival.

Planning a Taro Tour: Timing and Access

Most taro-related experiences are on Kaua‘i and the Big Island. Here’s what to expect in terms of timing, cost, and logistics.

Farm tours in Hanalei typically last two to three hours and include a walk through the lo‘i, a demonstration of traditional planting, and a tasting. The sustainable farming practices used in these fields are worth paying attention to — water is diverted from streams and returned clean, and the terraces prevent erosion. It’s a closed-loop system that’s been working for centuries.

If you’re on O‘ahu, the Bishop Museum occasionally hosts poi-making demonstrations, and the Kona area on the Big Island has a few farms that combine coffee tours with taro talks. It’s not a dedicated taro experience, but it fills a gap if you’re short on time.

On the Ground: What to Know Before You Go

Packing and Practicalities

Lo‘i fields are muddy. Wear shoes you don’t mind getting wet, and bring a change of socks. Sunscreen and insect repellent are essential — the standing water attracts mosquitoes, and the Hawaiian sun is intense even on cloudy days. A reef-safe mineral sunscreen is the right call here, since many tours involve stream crossings and you’ll want something that won’t harm the ecosystem.

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For families, the Hanalei Valley tour is manageable with kids, but the walking path can be slippery. Michael and I took Lily and Ethan a few years back, and the kids spent most of the time trying to spot frogs in the irrigation channels — which the guide happily pointed out. It’s a good reminder to pack a waterproof dry bag for wet clothes and electronics, especially if rain rolls in.

Local Etiquette and Cultural Notes

When visiting a lo‘i, don’t touch the plants or walk through the fields without permission. The taro is considered a living ancestor, and the fields are sacred. If a farmer offers a blessing or chant, stand quietly and participate if invited. Taking photos is usually fine, but ask first — especially if people are working.

At a lu‘au, poi is often served in a communal bowl. Use your fingers (traditionally two) to scoop, and don’t double-dip. If you’re offered poi at a private home, accept it — refusing can be seen as disrespectful. A small taste is enough; you don’t have to finish the bowl.

Frequently Asked Questions About Taro and Poi in Hawai‘i

Is poi gluten-free?

Yes. Poi is made entirely from taro and water. No grains, no gluten. It’s also low in fat and high in fiber, which is why it’s often recommended for digestive health. Just watch for cross-contamination if you’re buying from a mixed kitchen.

Why does poi sometimes taste sour?

That’s fermentation. Fresh poi is sweet and mild, but after a day or two at room temperature, natural bacteria begin to sour it. Some people prefer it that way — the tang cuts through rich foods like kalua pig. Refrigeration slows the process, but it doesn’t stop it entirely.

Can you eat taro raw?

No. Raw taro contains calcium oxalate crystals that cause intense irritation in the mouth and throat. Cooking breaks down these crystals completely. That’s why you’ll only ever see taro served steamed, baked, or fried.

What’s the difference between taro and poi?

Taro is the plant. Poi is the dish made from cooked, pounded taro mixed with water. Think of it like potatoes versus mashed potatoes — same ingredient, different preparation. Taro can also be roasted, fried into chips, or used in desserts.

Is poi healthy?

It’s nutrient-dense. Taro is high in fiber, potassium, and vitamins A and C. A half-cup of poi has roughly 90 calories and is easy to digest. The fermentation also adds probiotics, though the levels vary depending on how fresh the poi is.

One Last Spoonful

What sticks with me isn’t the taste of poi itself — it’s watching a farmer in Hanalei pull a corm from the mud, rinse it in the stream, and hand it to a visitor without a word. That quiet transfer, from hand to hand, says more about taro’s place in Hawai‘i than any plate lunch ever could. If you get the chance, pair it with something local — the combination tells the real story.

Sources and further reading

A Guide to Taro in Hawaii. Nani Hawaii.

Taro & Poi: The Staple Food of Hawaiians From Ancient Times to Now. Shaka Guide.

What Root Vegetables Do They Eat in Hawaii That They Turn Into Poi?. Eat and Geek.