Artichoke, also called globe artichoke or French artichoke, large thistlelike perennial plant of the aster family (Asteraceae) grown for its edible flower buds. ... The artichoke's flavor is delicate and nutlike, and the smaller heads, or buds, are usually the most tender.
Storage Tips for Artichoke
Sprinkle artichokes with a few drops of water and store in a perforated plastic bag in the coldest part of the refrigerator for up to 1 week. If cooking them on the day you buy them, leave them at cool room temperature. Once opened, marinated artichoke hearts will keep refrigerated for up to 2 weeks.