Most parishes collect them the Sunday before Ash Wednesday to burn. The ashes they distribute on Ash Wednesday are old, blessed, burned palms. As with any blessed item you can either burn them, bury them, or take them to your church.
The palms traditionally used for Palm Sunday celebrations are typically from the date palm tree.
Burnt Palm Leaves
Palm Sunday is celebrated today by : In church,People often wear festive things, carry palms, decorate etc. It is fun. Often for young children, there are games and fun things to do. Sometimes take communion. Palm Sunday is the Sunday before Easter :)))))
From burnt palms from last year's Palm Sunday.
Palms are blessed and should be burned as a method of disposal and not thrown into trash. Ashes for Ash Wednesday are burned palms. One can burn palms in a fireplace for disposal
Christians receive palms on Palm Sunday to commemorate Jesus' triumphal entry into Jerusalem, where crowds welcomed him by waving palm branches. This event symbolizes Jesus' role as the Messiah and the beginning of Holy Week leading up to Easter.
Because people used palms on that day in Jerusalem.
The palm fronds from the Palm Sunday palms of the previous year.
People laid dowm palm leaves and clothes on the floor on Palm Sunday.
They represent the entrance of Jesus into Jerusalem as the preparation of his death and resurrection.
On the day before Ash Wednesday the leftover palms from last year's Palm Sunday are burned and the ashes are used on Ash Wednesday to 'anoint' the faithful. Palm Sunday is when people celebrate Jesus entering Jerusalem and ash Wednesday is when you use the left over palm leaves from palm Sunday. They are burnt to an ash and then in the mass the congregation is blessed with them.
Traditionally from the ashes of the Palm Crosses used in the previous year's Palm Sunday celebration and mixed with the Oil of Catechumens which is a sacred oil used in Baptisms.