More shoppers can now Uber their Walmart groceries

Walmart shoppers in Orlando or Dallas will now be able to order groceries on Walmart.com and have them delivered via Uber.

The retailer is expanding its grocery delivery program and its partnership with Uber in a bid to grab market share of the still-nascent online grocery market. 

"We’re all about finding new ways for you to check 'grocery shopping' off your list a little faster – including making home delivery an option," Mike Turner, Walmart's vice president of e-commerce operations, wrote in a post on the company's blog. "Hopefully, this expanded offering, and more like it, will speed up the shopping experience and give you back something just as precious as money – time."

Just last year, Walmart began testing grocery delivery in a couple of markets through services such as Uber. The company also has been testing grocery pickup, automated pickup towers, and delivery by its employees, who drop purchases off at customers' homes after a day at work.

Retailers such as Walmart are rushing to launch delivery and pickup programs for online grocery orders even as U.S. consumers are still warming up to online grocery shopping.

Last month a new Gallup poll showed that only about 9 percent of U.S. adults are placing grocery orders online once a month, and only 4% of consumers are shopping in this manner weekly.

Gallup's annual Consumption Habits survey, conducted July 5-9, showed that, at this point, online grocery shopping appears to be an adjunct to retail shopping rather than a replacement, as most shoppers whose families purchase groceries online once or twice a month or more say they still visit a store to buy groceries at least once a week.