Cool green, ruby red, or deep purple grapes make a sweet,
nutritious snack and great jellies, as well as elegant sauces
and Season: Year-round; peak in fall. How to Choose Grapes Look
for fruits that are plump, unblemished, evenly colored, and
firmly attached to a flexible stem. Avoid those that are
wrinkled, brownish, or white at the stem end. Grapes range from
pale green (like the common Thompson seedless variety) to blue-
black (like tart Concords, which are often used for jam) and are
grown with or without seeds. Ripe green (aka white) grapes
should have a yellowish cast, while red and purple ones should
have no green areas. Some grapes may have a white coating on the
skin, called a bloom; it’s a harmless natural substance that
protects the fruit from moisture loss and decay. Buy organic if
possible; conventionally grown grapes (especially imported ones)
can have a high percentage of pesticide residue. How to Store
Grapes Store grapes unwashed (moisture speeds decay) in a
ventilated plastic bag in the refr