He signifies the plenty of vines in Judah's portion, that they shall be planted every where, even in the commons and highways where men travel, and where upon occasion they use to tie the beasts on which they ride to any tree which is near them. Such shall be the plenty of it, that if it were convenient, men might use wine instead of water to wash their garments. The blood of grapes; so the wine is called also in Deuteronomy 32:14; /APC 1Ma 6:34; and by Pliny, Hesiod, and others. As oil is called the blood of the olive.
Related Commentaries of Genesis 49:11
Genesis 49:11
11 Binding his foal unto the vine, and his ass's colt unto the choice vine; he washed his garments in wine, and his clothes in the blood of grapes: