Flower Color: Orange-Red Flower Form: Clusters of 2-3″ (5-7cm) Tubular Flowering Period: Summer/Fall Mature Height: 13-30′(4.5-9m) Pruning Requirement: Prune to Shape Planting Aspect: Partial Shade / Full Sun Cold Tolerance: USDA Zone 5 Price Group: 3 About Campsis tagliabuana Indian Summer This royalty protected variety displays large trumpet shaped flowers that are orange red with a yellow orange exterior. As in all campsis a sunny warm location with room to ramble is required to get the best display.