Collocations for bush - noun

rose, thorn, etc.
prickly, scrubby, thorny

clump
a large clump of rose bushes

plant
prune, trim
to prune the rose bushes

grow

among the bushes, in the bushes
She was hiding in the bushes at the side of the lane.

bushes and trees, trees and bushes

dense, thick
African, Australian
native
hills that have become a wasteland after the removal of native bush

fire
meat (usually bushmeat)

in the bush, into the bush
They went out into the bush.