Is it permissible to place alfalfa on the grave instead of clay and thorn bushes?

The questioner : In the name of Allah, the Most Gracious, the Most Merciful. Alfalfa. On the grave.

The Shaykh : Alfalfa? Dried, perhaps thorn bushes within fifty. The alfalfa, because its branches appear to be a substitute for the thorn bushes, so I think it is dried, not fresh.

The questioner : For a deceased person.

The Shaykh : The soil, meaning it does not flow. Now, here in al-Qasim, they place a small amount of plaster on the cracks and then put clay on top of it.

The questioner : It used to come out new, but now they are hastening with the cement.

The Shaykh : We have benefited from it. But why don't they use milk? If there is no milk available, then there is no milk. Do you know the hadith of al-Abbas ibn 'Abd al-Muttalib? When the Messenger (peace and blessings be upon him) was prevented from taking the trees in Makkah for their graves, he was permitted to take the idhkhar. If the idhkhar is not available and alfalfa takes its place, then there is no harm.