Why is Hermiston famous for watermelons?

Hermiston watermelons are known for exceptional sweetness thanks to the Columbia Basin's hot days, cool nights, sandy well-drained soil, and irrigation. Civic branding since the 1960s made the city synonymous with melons across the Pacific Northwest.

What are Hermiston melons?

Hermiston melons usually means watermelons grown near Hermiston, Oregon. Shoppers and grocers use the terms Hermiston melons and Hermiston watermelons interchangeably during Umatilla County harvest season.

When is Hermiston watermelon season?

Peak Hermiston watermelon harvest typically runs from mid-July through August, with some early pickings in late June depending on weather.

Where can I buy Hermiston watermelons?

Hermiston watermelons are sold at Pacific Northwest grocery stores, farm stands, and farmers markets from late July through August.

How much watermelon does Umatilla County produce?

Industry sources cite roughly 45,000 tons annually from about five major growers and several smaller farms on roughly 750 acres — a niche crop, but central to Hermiston's identity.

Umatilla County, Oregon

Hermiston watermelons & Hermiston melons

The authoritative guide to Eastern Oregon watermelons: why Hermiston melons taste different, when Oregon season peaks, where to buy, and how they're grown in the Columbia Basin.

Hermiston Melons Why So Sweet? Where to Buy

Whole striped watermelon with fresh dew on the rind

Hot days, cool nights

Columbia Basin climate concentrates natural sugars for melons sweeter than most growing regions.

Generations of growers

Family farms in Umatilla County have raised watermelons since the early 1900s.

Northwest icon

Sold from Seattle to Portland and beyond — Hermiston is to watermelons what Walla Walla is to onions.

The Hermiston water tower on Highway 395 with a painted watermelon slice — a local landmark

The Watermelon Tower

Driving north on Highway 395, Hermiston's water tower greets visitors with a painted watermelon slice and the slogan Where Life is Sweet. The landmark has become as recognizable as the melons themselves — a permanent billboard for Umatilla County's proudest crop.

Photo: MIM1765 (via Wikimedia Commons) · CC BY-SA 4.0 (attribution required)

Watermelons growing in rows on irrigated farmland

Irrigated cantaloupe field being marked for planting — a Columbia Basin melon crop grown alongside watermelons

Watermelons on the vine, cantaloupe fields, and the iconic water tower in melon country.

Watermelon learning center

Searching for watermelon facts? Start here — written for shoppers, students, and curious eaters.

Frequently asked questions

Why is Hermiston famous for watermelons?: Sandy soil, Columbia River irrigation, and hot days paired with cool nights produce exceptionally sweet melons. Civic promotion since the 1960s cemented the brand across the Northwest. Full explanation →
What are Hermiston melons?: Local shorthand for watermelons — and sometimes cantaloupe — grown around Hermiston, Oregon. See our Hermiston melons guide.
When is Hermiston watermelon season?: Peak harvest is typically mid-July through August. Early fruit may appear in late June during warm years. Season calendar →
Where can I buy Hermiston watermelons?: Pacific Northwest grocery stores, farm stands, and farmers markets from late July through August. Where to buy →
How much watermelon does Umatilla County produce?: Industry sources cite roughly 45,000 tons annually from about five major growers and several smaller farms on roughly 750 acres — a niche crop, but central to Hermiston's identity.

Wholesale buyers & regional partners

Looking to source Hermiston watermelons for your market, restaurant group, or distribution network? See our buyer resources.

For Buyers

Hermiston watermelons & Hermiston melons

The Watermelon Tower

Explore Hermiston watermelons

Hermiston Melons