Spanish Types The small Spanish types are grown in South Africa , and in the southwestern and southeastern U.S. Prior to 1940 , 90 percent of the peanuts grown in Georgia were Spanish types , but the trend since then has been larger seeded , higher yielding , more disease resistant varieties . The small Spanish types are grown in South Africa , and in the southwestern and southeastern U.S. Prior to 1940 , 90 % of the peanuts grown in Georgia , USA were Spanish types , but the trend since then has been larger seeded , higher yielding , more disease resistant cultivars .