Blanc Du Bois Grape Vine (1-Gal) This offering is for a 1-Gal size sent to you bare root via USPS Priority Mail. We sell these in Starter Plug, 1gal, and Bundle of 3 or 10. Full sun to Zones 6. "Best" variety for growing in the deep South due to its unparalleled disease resistance. Blanc du Bois withstands heat and humidity, and is very Pierce disease resistant.