"I just found some really sweet, teeny tiny, wild cluster
grapes. My uncle said they are Winter Grapes. Do you have a
recipe?" Doug Horn, Llano, Texas It is very difficult to
identify any grape without seeing it on the vine and tasting it,
but I think I can come close on this one. At least four North
American native grapes share the name "winter grape" -- Vitis
berlandieri, V. bicolor, V. cordifolia (properly, V. vulpina),
and V. cinerea. V. cordifolia/vulpina rightfully owns the name.
But the point is that the name hints at a very late ripening for
all four species. I will rule out V. bicolor for many reasons I
need not mention. V. cordifolia/vulpina ripens from August
through October, but usually does not sweeten untl after a good
frost -- thus it is called the sour winter grape. V. cinerea,
the sweet winter grape, ripens from August through November, but
prefers sandy and alluvial soils, not the limestone of Llano.
This leaves me to believe your grape is Vitis berlandieri, also
known vernacularly as the Fa