Blood of grapes
In Genesis 49:11, the blood of grapes signifies the celestial aspect of a spiritual church. (Arcana Coelestia 1071[3])
(References: Arcana Coelestia 1071)
Genesis 49:11
11
Binding his foal to the vine, his donkey's colt to the choice vine; he has washed his garments in wine, his robes in the blood of grapes.