What plants can grow on walls?

 Supporting climbing plants

Climbers like ivy and Virginia creeper have aerial roots which help them cling to surfaces like walls and fences, but other climbers like honeysuckle and clematis need a framework to scramble over. Wall shrubs don't climb naturally and need training and tying in to a support.

What is the name of the plant that sticks to walls?

Vines are among the best plants to cover walls, since they climb naturally. Some vines, like ivy, are true climbers that use aerial roots to hold on to surfaces. Others, like honeysuckle, twine their stems around hand holds.