In the absence of a green harvest, a healthy, vigorous vine can produce dilute, unripe grapes.

Another grape product, under the "what's old is new" category, is vedus, an acidic liquid made from the juice of unripe grapes.

Other Greek innovations include the harvest of deliberately unripe grapes in producing a more acidic wine for blending.

It all comes with a verjuice sauce, made from acidic unripe grapes.

Verjuice, the slightly tart juice of unripe grapes, is coming into its own.

It may be also produced from unripe or wild grapes.

The name omphacite derives from the Greek omphax or unripe grape for the typical green color.

When this early crop of unripe grapes is pressed, verjus is the result.

Burgundy, too, was beset by rain and its concomitants: rot and unripe grapes.

With regard to vineyards, planting is being stopped, vines uprooted, unripe grapes gathered.