Which kinds of plants do well on a slop in full sun?

Wanda
by Wanda
I have a 4 foot slope on side of my front lawn. It is horrendous to mow and I am not the weed eater type. I would love to mulch or do pine needles along with some type of flowers; preferably perennials. I have hydrangeas that need to be moved would they fair well on a slope?
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