Currently, grapefruits from Israel are being sold in Costco. Although the bag
states “North America”, the tag states “Israel”, and they have been confirmed to
originate from Israel. These have Kedushas Sheviis, and MUST NOT be
purchased.
If they were purchased, contact your Rav for guidance. As always, it is important to be aware of the country of origin of your produce.
Keren Hamaasros