Whether it's the vibrant, dark orange color or the funnel-shaped blooms, one thing is for sure, hummingbirds love this vine! Orange Trumpet Vine is a vigorous vine that will climb 20-30 ft. if given suitable support. It'll quickly cover fences, arbors and trellises. It can also be allowed to ramble as a flowering ground cover. The 3-in. flowers open against dark green foliage from midsummer to frost. For the best performance and flowering, plant this vine in full sun. Deer tend to avoid. Zones 4-9.