Guesta. A variety mentioned in the United States Patent Office Report for 1860 as being blue; sweet, slightly pulpy, of agreeable flavor.
Guignard. Black Guignard. Origin unknown but at one time raised by Longworth, of Ohio. Vigorous, productive; small, brown berries; high quality.
Guinevra. (Lab. Vin.) From C. Engle, of Paw Paw, Michigan; a seedling of Salem. Hardy, vigorous, productive; clusters large, sometimes shouldered, compact; berry large, yellowish-green; very late.
Gula. (Linc. Lab. Rup.) A seedling of America crossed with Beacon; from Munson in 1899. Stamens erect; cluster large; berry large, black; ripens mid-season.
Gulch. (Linc. Rup.) Parents, Jaeger No. 70 crossed with a seedling Rupestris; from Munson in 1888. Stamens erect; cluster large; berry medium, black; ripens late; now discarded by the originator.
Hadden Seedling. (Lab. Vin.) From a Mr. Hadden, of Pulteney, New York, about 1890. Vigorous; cluster small, compact; berries red with a peculiarly wrinkled skin; pleasant, sweet, Muscat flavor.
Hagar. Noted in the Illinois Horticultural Society Report, 1893, as one of the varieties exhibited at the World’s Fair.
Halifax. (Lab.) Weller’s Halifax. Noted by Sidney Weller, Brinkleyville, Halifax County, North Carolina, in United States Patent Office Report for 1845, as a native grape.
Halifax Seedling. (Lab. Vin.) A seedling of Halifax by a Vinifera; from Sidney Weller, about 1840. Fruit like Catawba but sweeter. Used by Dr. A. P. Wylie in the production of new varieties.
Hall. A seedling from David Hall, Urbana, Ohio; first mentioned in 1858. Berries larger and better flavored than Clinton, but not equal to Isabella; nearly black; ripens earlier than Isabella.