Can we give flowers to a muslims grave?
One may place flowers on a Muslim grave but this is not a Sunnah nor a teaching of Islam. If someone places flowers with the intention of imitating the practice of non-Muslims then it will be considered Haram.
And Allah knows best.
Mufti Ikram ul Haq
Fatwa Center of America
18 Safar 1432/ Januray 25 2011