New York (CNN Business) Despite early struggles in the United States, German discount grocery chain Lidl still believes it can grow in this country and replicate its longtime German foe Aldi's success.

Lidl announced Friday that it will open up 25 new stores by next spring on the East Coast in states such as Maryland, New York, Pennsylvania and the Carolinas. Those openings and others will bring Lidl's US footprint to more than 100 stores by the end of 2020, two years behind Lidl's original schedule.

"We are committed to long-term growth in the United States," Johannes Fieber, CEO of Lidl's US operation, said in a statement . "These new stores are part of the next steps in our US expansion."

Lidl is a global grocery giant with more than 10,500 stores in 29 countries. But unlike its German rival Aldi, which entered the United States in 1976 and has reached nearly 1,900 stores here, Lidl only recently moved to the country.

Lidl's had mixed success since it cut the ribbon on its first US stores in the summer of 2017.

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