Campsis radicans Trumpet vine Brilliant, trumpet shaped orange flowers. Great for hummingbirds. Very vigorous, needs support, grows to 30 feet. Clematis armandii This evergreen clematis has dark glossy green, leathery leaves and highly fragrant almond-scented 3 inch white flowers in March and April. Blooms on old wood, so prune lightly after it flowers.
Strong grower needs a strong support like a fence or trellis.
You can use Clematis armandii as a trellis for other summer vines. Grows to 20 feet. Zone 7 to 9. We re not sure about growing this one north of Alpharetta or Cumming. Very profuse bloomer.