Costco's Kirkland organic blueberries are known for being freshly frozen, USDA-certified organic, and a great deal, as a three-pound bag will only set you back about $9.

Kirkland Signature Organic Blueberries. Price: $9.49. Swap out more costly fresh blueberries for frozen organic blueberries instead.

Townsend Farms is the confirmed source behind Costco's beloved four-pound frozen berry blend mixture of blackberries, raspberries, and blueberries.

Kirkland Signature Organic Blueberries $9 for 3 pounds Frozen fruit is picked at the peak of ripeness and frozen immediately, so it's often sweeter than the fresh version you can buy in the store.

Costco's Kirkland organic blueberries are known for being freshly frozen, USDA-certified organic, and a great deal, as a three-pound bag will only set you back about $9.