Kava is grown across the South Pacific Islands, with most commercial production concentrated in Vanuatu, Fiji, Papua New Guinea, Samoa, Tonga, and Pohnpei (a state in Micronesia). Hawaii is the only place in the United States with significant kava farming. The plant thrives in tropical climates with heavy rainfall, rich soil, and warm temperatures year-round.
The Three Pacific Regions
Kava cultivation spans three broad geographic zones of the Pacific: Melanesia, Polynesia, and Micronesia. Melanesian countries like Vanuatu and Papua New Guinea are among the largest producers. Vanuatu in particular is often considered the heartland of kava culture, where the plant has been cultivated for centuries and remains deeply tied to daily social and ceremonial life. Fiji, also in Melanesia, is another major producer and one of the top exporters to Western markets.
In Polynesia, Samoa and Tonga both have long traditions of kava farming. Tongan kava tends to produce a lighter, more cerebral effect compared to Vanuatu varieties, which are often described as heavier and more sedating. These differences come down to the specific plant varieties each region has developed over generations and the local growing conditions, both of which influence the plant’s active chemical profile.
Pohnpei, part of the Federated States of Micronesia, rounds out the major growing regions. Though smaller in scale, Micronesian kava production is culturally significant and supplies local demand.
Why These Islands and Not Others
Kava needs a very specific set of conditions. It grows best in loose, deep, well-drained soils with consistent moisture. Heavy natural rainfall matters because the plant is water-hungry but doesn’t tolerate waterlogged roots. Tropical temperatures between roughly 68°F and 95°F keep it growing year-round, and it prefers partial shade rather than full sun, which is one reason it does well under forest canopies and alongside taller crops.
The plant is also slow. Kava typically takes three to five years to reach full maturity before harvest, which makes it a long-term commitment for farmers. The roots and lower stems are what get harvested and processed, and older plants generally produce a more potent product. This slow growth cycle limits where commercial farming is practical, since few tropical regions outside the Pacific have the cultural knowledge, established varieties, and patience the crop demands.
Kava Farming in Hawaii
Hawaii is the only U.S. state where kava is commercially grown. The plant actually grows wild on all Hawaiian islands, but commercial farming is concentrated on the Big Island (Hawaii Island), particularly in the windward districts of South Hilo, North Hilo, Hamakua, and Puna. These areas get the heavy, reliable rainfall and deep volcanic soils that kava needs.
Hawaiian kava farming is small-scale compared to Pacific Island nations. A USDA survey in 2000 counted about 50 farms across 80 acres, producing 85,000 pounds of fresh kava worth $119,000 in farm revenue. Smaller plantings also exist on Maui, Molokai, Kauai, and Oahu. The industry has grown since then as demand for kava in the U.S. has increased, but Hawaii remains a minor producer globally. Most kava sold in American kava bars and supplement stores is imported from Vanuatu or Fiji.
Cultivation Outside the Pacific
Kava is also cultivated in parts of North Africa, including Morocco, Tunisia, and Egypt, where it’s used as a relaxation beverage. These operations are less well known than Pacific Island production and serve regional markets. The vast majority of kava in global trade still originates from the South Pacific.
Despite growing interest in kava worldwide, the plant hasn’t been successfully farmed at scale in most tropical regions outside its traditional range. Part of this is botanical: kava doesn’t produce viable seeds and must be propagated from stem cuttings, which means new growing regions depend on importing planting material and expertise from established producers.
How Traditional Farming Shapes the Crop
In most Pacific Island communities, kava isn’t grown on large monoculture plantations. Traditional farmers plant it alongside taro, coconuts, and other food crops in mixed gardens, a practice known as polyculture. In Vanuatu villages, for example, kava grows in diverse garden plots where different crops share space and protect soil health. This approach keeps the soil fertile over time and reduces the pest and disease pressure that comes with planting a single crop over large areas.
Much of the kava produced in the Pacific is still consumed locally rather than exported. It remains a social and ceremonial staple across island cultures, drunk in the evening as a mild relaxant in communal settings. The commercial export market has grown significantly as Western interest in kava has increased, but local consumption still accounts for a large share of total production. This dual role as both a cultural tradition and a cash crop shapes how and where it continues to be grown.
Regional Varieties and Their Differences
Not all kava is the same. Each island nation has developed its own cultivated varieties over centuries, and these differ in how they look, how fast they grow, and how they feel when consumed. Vanuatu alone has over 80 named varieties. The differences come from both genetics and environment: soil composition, altitude, rainfall patterns, and harvest timing all influence the balance of active compounds in the root.
Broadly, kava varieties are often described as “heady” (producing more mental relaxation and mild euphoria) or “heavy” (producing stronger physical sedation and muscle relaxation). Vanuatu kava tends toward the heavy end, with higher concentrations of the plant’s active compounds. Tongan kava is generally lighter and headier. Fijian varieties fall across the spectrum depending on the specific cultivar. For consumers, the country of origin is one of the most reliable indicators of what kind of experience to expect.