Whole Foods workers at the Spring Garden store have expressed frustration about low pay and want better health-care benefits.

Workers at a Pennsylvania Whole Foods store voted on Monday to unionize, forming the first union in the organic grocery chain owned by Amazon.

The grocery chain’s store in Philadelphia becomes the first to join a union, where workers hope to expand organizing to other outlets and across the Amazon empire.

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Workers voted 130-100 for union representation at the Center City in Philadelphia, according to the National Labor Relations Board.

Workers at a Whole Foods Market in Philly have voted to unionize, becoming the first group of employees to pull off a labor win at the chain.

The Amazon-owned grocery store brand says it's 'disappointed' in the employees' plan to join the United Food and Commercial Workers union.

The vote marks the first successful organizing effort at Whole Foods since Amazon acquired the grocer for $13.7 billion in 2017.

A majority of workers at a Whole Foods location in Philadelphia have voted to unionize, as reported by Reuters. This makes the Pennsylvania store the first to unionize under Amazon’s ownership, and the second time overall.

President Donald Trump speaks during a meeting to support America's farmers and ranchers in the Roosevelt Room of the White House, Thursday, May 23, 2019, in Washington. (AP Photo/Andrew Harnik) This is your first of three free stories this month.

The strike is set to unfold amid a massive assault against immigrant workers by Trump, the tip of the spear of his bid for a presidential dictatorship.