Grevillea agrifolia (Blue Grevillea) is a tree or shrub which is native to the north of Western Australia and the Northern Territory. It grows to between 1 and 6 metres high and has leaves which are 20 to 155 mm long and 20 to 75 mm wide. Green, white or cream flowers generally appear between May and September in the species native range. The species was first formally described in 1830 in Robert Brown's Supplementum primum prodromi florae Novae Hollandiae. It occurs amongst low to medium trees in sandy or stony soils.