They do, but might need some help if they don't wear ties on a regular basis.
A groom on a Jewish wedding day wears what you wear in a English wedding
By the groom.
The best wedding clothes they can get.
if he wishes to, then yes
A dressy suit, tie, and shoes.
Most traditionally, the groom would wear the skull cap during a Jewish wedding. In certain Jewish communities the prayer shawl is draped over the bride and groom while they are under the Chuppa (wedding canopy).
At Orthodox Jewish weddings, the groom is escorted by both fathers and the bride is escorted by both mothers. At modern Jewish weddings, the bride and groom are escorted by their parents.
Yes! White is always appropriate for a Jewish groom, just like the Jewish bride. Orthodox Jewish grooms often wear a white robe called a kittel.
morning suits or black tie attire
At a Jewish wedding the groom stands next to the bride, on her left; both of them facing Jerusalem.
RingHis BrideTux/Tie
A dress suit, tie and shoes