Dallas has a ton of hotels at various price points to choose from that are relatively close to The Dallas Arboretum points, but here are a few suggestions to consider....
Hotel
The Adolphus
1321 Commerce Street Dallas, TX 75202 (214) 742-8200
Where the Bride and Groom will stay
Hotel
Canopy by Hilton Dallas Uptown
2950 Cityplace West Boulevard Dallas, TX 75204 (214) 522-2929
Hotel
The Highland Dallas, Curio Collection by Hilton
5300 East Mockingbird Lane Dallas, TX 75206 (214) 520-7969