Dattier St Vallier Grapes

Dattier St.Vallier (Seyve-Villard 20-365) Panse x Seyve-Villard 12-375; cross made in 1931; Originated in Saint Vallier, Drome, France, by Seyve-Villard. Introd. in the U.S. before 1960. Cluster: large; short conic; loose. Berry: large, ovoid truncate; elongated; skin greenish-yellow, thin; flesh tender, meaty; flavor neutral, sweet: may crack with rain when ripe. Vine: vigorous; very productive; buds-out late; shoots glabrous and the unfolding leaf red, sinuses deep, well marked, open; high tolerance to downy mildew and moderate tolerance to powdery mildew; hardy to about -10 F. Prune to two bud spurs on cordons.