All 3 Uses

arbor
in
Immortal in Death
(Edited)

You're having it outdoors, so I might suggest arbors, wisteria.
Chpt 14 *

arbors = frameworks that support climbing plants
Eve studied the holograms, tried to envision herself standing under an arbor with Roarke, exchanging vows.
Chpt 14

arbor = a framework that supports climbing plants; or a shady rest area made by such a framework or by trees and shrubs
"I like the arbor idea," Eve announced, springing up when Mark left them.
Chpt 14

Definitions:

(1) (arbor as in: shaded arbor)
a framework that supports climbing plants; or a shady rest area made by such a framework or by trees and shrubs

The framework of an arbor is generally thought of as a wood lattice made to support vines, but it can also be a natural framework such as trees.
(2) (meaning too rare to warrant focus)
Less commonly arbor can be used as a proper noun to reference a location such as Ann Arbor, Michigan. As a common noun, it can also reference various types of rotating machine shafts.