Ladoga was introduced to Canada around 1888 after the then-Agriculture Minister asked a wheat trader from Riga, Latvia for early ripening varieties with promising quality. It is named after Lake Ladoga, north of St. Petersburg, Russia. Ladoga was never widely grown in Canada or the US as it was determined to be inferior to the current reference wheat of the time, Red Fife. However, its earliness made it popular for wheat breeding.
- Classification of Wheat Varieties Grown in the United States in 1939, USDA Technical Bulletin No. 795, June 1942; From a Single Seed: Tracing the Marquis wheat success story in Canada to its roots in the Ukraine, Stephan Symko