In the 1950s the company began intensifying its business in
Western and
South European countries. At the same time, it also started to expand its activities in the US sugar beet market. Since 1956, KWS has been setting up subsidiaries and affiliates in Europe and overseas and opening foreign representative offices, e.g. in Turkey and Chile. In the following decades, the company systematically expanded its presence in the temperate climate zone. KWS had been breeding wheat and barley at its Peragis subsidiary since the 1920s. In 1964, Peragis was merged with Saatzucht Heine to form Heine-Peragis in Einbeck. In 1967/68 it began merging its cereal breeding activities with the companies Heine-Peragis and Lochow-Petkus GmbH. In 2008, KWS acquired Lochow-Petkus GmbH which was subsequently renamed KWS LOCHOW GMBH. In 1975, the company acquired the Rinn family's shares in Lochow-Petkus GmbH and has held around 81% of the shares since then; the remaining 19% are held by descendants of Ferdinand von Lochow. In 1978 it founded KWS Seeds Inc. to manage all business activities in North America. In 1984 KWS responded to the rapid advances in molecular biology by founding PLANTA Applied Plant Genetics and Biotechnology. PLANTA is responsible for R&D projects in the company and provides services for all breeding activities of KWS. In the 1990s the company acquired the
Argentinean breeding company Trebol Sur which was then renamed KWS Argentina in 1997. In 2000 the
French plant breeding group
Limagrain and KWS decided to merge their corn business in North America and formed the
joint venture AgReliant. In 2003 KWS founded KWS Türk in Turkey to enhance the distribution of seeds in
North Africa (
Morocco,
Tunisia,
Libya and
Egypt) and Middle Eastern countries including
Iran,
Iraq and
Lebanon. In 2008 KWS and the
Dutch Van Rijn Group established a joint venture in breeding potato seeds and in April 2011 KWS acquired the remaining interests in Van Rijn and formed the subsidiary KWS POTATO B.V. In September 2011 it founded a joint venture with the Chinese company Kenfeng to manage the production and distribution of corn seed in
China. In October 2011 KWS and the French seed producer
Vilmorin formed a research collaboration as a 50/50 joint venture company to develop
GM corn traits. In June 2012 KWS acquired the Brazilian companies SEMÍLIA and DELTA that are located in
Paraná and run four breeding stations in
Brazil. On 1 July 2012 both companies merged to form KWS BRASIL PESQUISA & SEMENTES LTDA. As of 1 July 2012, KWS acquired a majority shareholder position in the company RIBER whose name was then changed to RIBER – KWS SEMENTES S.A. This company, situated in the Brazilian state
Minas Gerais, continued its focus on the Brazilian market through offering GM corn hybrids and
soybean varieties. With the acquisition of the Dutch company Pop Vriend Seeds on 1 July 2019, KWS entered into the vegetable seed business to become a leading supplier of vegetable seeds mid-term. PopVriend Seeds (PV) became KWS Vegetables Netherlands B.V. on October 1, 2024. From 2024, KWS, is increasingly focusing on diversity and profitable growth and divested its corn business in South America and China. In contrast to the calendar year, KWS has a fiscal year from 1 July to 30 June. ==Current portfolio==