German discount grocer Aldi is jumping into home grocery delivery.

The retailer announced a pilot program with Instacart, the on-demand grocery delivery service. Starting later this month, the service will be available in Atlanta, Dallas, and Los Angeles, with potential for future expansion.

Shoppers in the pilot markets will be able to fill their virtual carts by visiting Instacart.com or downloading the Instacart app. At checkout, they can choose a delivery window that works best with their schedule, anywhere from an hour or up…