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The Jumbo Legacy — The Daily Kernel
The Daily Kernel
America's Seed of Record  ·  Special Legacy Edition  ·  Central Valley, California
The Jumbo Legacy

Two Men, One Idea, and a Snack Industry Shaken to Its Roots

From a Central Valley warehouse in 1979 to ballparks across America — the full, untold story of Jumbo Sunflower Seeds.

How It All Started

In 1979, Bob Stagi and Mike Scriven did something almost nobody in the snack industry thought worth doing: they took the sunflower seed seriously. Working out of Lodi and Stockton in California's Central Valley, the pair launched Stagi & Scriven Jumbo Sunflower Seeds — and the reaction from the industry was mild amusement. The reaction from American snackers was something else entirely.

The seeds were bigger than anything on the shelf. Fire-roasted with restraint — light on salt, enormous on flavor. Fans of the brand would later say it was the first sunflower seed that tasted like something worth eating.

"Bob and Mike upset the national snack industry in 1979." — Robert Stagi obituary, Stockton Record, 2008

The Stagi & Scriven era ran for over a decade and left a permanent stamp on California snack culture — and on America's dugouts.


A Century of California Roots

Klein Brothers, Ltd. had been growing with California agriculture since 1917 — four generations of a family that built an empire spanning bean trading, almonds, walnuts, a ski resort, and even a winery. When Klein Bros. acquired the Jumbo brand, they brought the same soil-level philosophy: grow it right or don't grow it at all.

Under the Klein Bros. Snack & Packaged Nut Division in Stockton, the Jumbo name carried on — "Grown Bigger to Taste Better" — with private label and co-packing alongside Arroyo Seco Nuts.

Jumbo Sunflower Seeds — original 1991 packaging
The original Jumbo Sunflower Seeds packaging, circa 1991 — Stagi & Scriven Farms, Stockton, CA
A Complete History of the Kernel
1917
Klein Brothers, Ltd. founded in Stockton — four generations of Central Valley farming and agriculture begin
1979
Bob Stagi & Mike Scriven launch Stagi & Scriven Jumbo Sunflower Seeds in Lodi, CA — the national snack industry is caught off guard
1980s
Seeds go national; fire-roasting and low-sodium become the brand's signature; a loyal following builds in dugouts and bleachers coast to coast
1990
First Jumbo baseball card insert set launches — 24 cards packed inside bags to promote seeds as a healthy dugout alternative to chewing tobacco
1991
Series II card set released; Nolan Ryan, Ken Griffey Jr. and the era's biggest stars found inside every specially marked bag
Late '90s
Klein Brothers acquires the Jumbo brand; adds it to their Snack & Packaged Nut Division alongside Arroyo Seco Nuts
2000s
Carries on as "Grown Bigger to Taste Better" — private label and co-packing from the Stockton facility serves retailers nationwide
Aug. 2019
World Food Products, Inc. acquires Jumbo; a new vision for bolder flavors, bigger seeds — the brand relaunches with full force
Today
Fire-roasted, low sodium, made in the USA — same soul, bold new chapter. Still the best seeds on the planet.
How Jumbo Helped Baseball Kick the Chewing Tobacco Habit

Sometime in the 1980s, Jumbo sunflower seeds became baseball's open secret. Players discovered them as something to do between pitches — hands, mouths, nervous energy all occupied. The seeds landed in dugouts from the minors to the majors and never left.

Stagi & Scriven leaned in. In 1990 they launched an official baseball card insert set — 24 cards, tucked two or three per bag — explicitly positioning seeds as the healthy alternative to chewing tobacco in the dugout. The biggest names in the sport were on those cards.

Jumbo baseball card inserts · 1990–1991
JUMBO
JUMBO
JUMBO
JUMBO

The campaign worked. The tradition stuck. To this day, a bag of sunflower seeds in the dugout is as natural as chalk on a base path.


A Bold New Chapter

In August 2019, World Food Products — a Central California family company, growers of almonds and walnuts for four generations — took the wheel. New ownership meant new ambition: seeds actually as big as the name promised, and flavors bold enough to be unforgettable.

BBQ, Cracked Pepper, Wild Ranch, Sweet Chipotle. The original fire-roasted recipe, still light on sodium. The new team moved fast without breaking what made Jumbo worth keeping in the first place.

JUMBO
SUNFLOWER SEEDS
Fire-roasted · Light on sodium
Big on taste · Made in the USA
jumboseeds.com