Novavine Viticulturist Jeff Wheeler

#1 Burned areas should be reseeded before the heavy rains come, especially in areas with any slope.

#2 Determine if your vines are dead or alive.

#3 Ash in itself is not an issue for the soil or the vines but it can be so heavy as to coat leaves, which may cause reduced photosynthesis

more details at the Novavine newsletter entry what to do in the vineyard after a fire