NIAGRA AMERICAN SEEDLESS GRAPE-Self Fertile Zone 5-8 (3-Gal) This offering is for a 3-Gal size. NIAGRA AMERICAN SEEDLESS GRAPE-Self Fertile Zone 5-8 They will be sent to you bare root via USPS Priority Mail. Self-Pollinating Full sun to Zones 5-8 Fruit edible, jellies, and for wine making. We grow these as 1" Plugs and 1-Gal.and 3-Gal