Answer: There are lots of evergreen vines you might consider, but these will need a lattice or some other structure on which to climb. Trees to consider include Bottle brush (Callistemon citrinus), Crape myrtle (Lagerstroemia), Fringe tree (Chionanthus virginicus), Orchid tree (Bauhinia spp.). All these trees remain under 20' which makes them good for small places. Hope one of these appeals to you.
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