United States first 3 billion bushel corn crop grown on 110,000,000 acres

First commercial hybrid corn cross made

Rolland Stone makes first commercial crosses with seed from University of Illinois.

Rolland Stone and his father, Percy form P.A. Stone and Son Seed Co. to sell hybrid seed corn

Art Sieben plants first seed production fields and forms Sieben Hybrids

United States again raises 3 billion bushels of corn but only utilizes 89,000,000 acres due to hybrid efficiency.

Bohlen Brothers Seed Co was formed in Moweaqua, IL

Richard Stone, son of Rolland Stone, joins Stone Seed Co.

Chan Sieben joins Sieben Hybrids

Todd Sieben joins Sieben Hybrids

Rolland Stone retires from Stone Seed

Andy Stone joins Stone Seed Co.

PIK (Production-in-kind) program year--national corn acreage reduced by 25-30%

Phil Jordan hired as VP of Seed Operations by Sieben hybrids

Jim Hedges and Brian Zindel purchase Bohlen Brothers facility and form Moweaqua Seed Co.

Jack Smith hired as VP of Sales by Sieben hybrids

The CORE Group is formed. Brad Biddick of Trelay Seed Co. asks Andy Stone to form a regional seed company alliance.  They are joined by Fontanelle Hybrids, Stewart Seeds, and Doebler's Pennsylvania Hybrids.

Phil Jordan and Jack Smith purchase Sieben Hybrids

Trent Griffith purchases 50% of Sieben Hybrids from Jack Smith.

Patent application for DIDO filed.

Stone Seed Company and 3 CORE Group partners join Monsanto's American Seeds, Inc.

First Dominator Series hybrids introduced.

Sieben Hybrids becomes a member of The Stone Seed Group and American Seeds.  Trent Griffith is named sales director.

Stone Sales Team participates in in-depth training at Monmouth research station.

Moweaqua Seeds becomes a member of The Stone Seed Group and American Seeds.

Corn acres in the United States rise to 89,000,000 for the first time since World War II

A combined 204 years of seed company history is represented as The Stone Seed Group "brings together Regional Excellence."