Annual Sweet Pea (Lathyrus odoratus) Common Nasturtium (Tropaeolum majus) Full sun to part shade; Full sun to part shade; infertile or dry, sandy humus-rich soil that is soil; 5 to 10 feet; twines; and are evenly moist; up to edible with a peppery flavor; choose tradi- 6␣ feet; tendrils; blue, tional, not dwarf pink, mauve, white, salmon flowers may Canary Creeper be fragrant; grow (Tropaeolum␣ peregrinum) best in cool weather; Full sun to part shade; average mulch well and remove soil; up to 10 feet; twines; bright dead flowers yellow, fringed flowers are edible; lobed leaves Mandevilla (Mandevilla × amabilis) Part shade, evenly moist soil; up to 10 feet; For more information twines; clusters of pink, trumpet-shaped Horticultural information on selection, flowers; glossy leaves; overwinter inside by planting, cultural practices, and environmental Annual cutting back stems and watering only enough quality is available from your local Iowa State to prevent drying out University Extension office and from these Web sites. Spanish Flag (Mina lobata) ISU Extension Publications— Full sun; well-drained, moist soil; 10 to 20 www.extension.iastate.edu/pubs feet; twines; small red and white flowers on one side of stalk; lobed, dark green ISU Horticulture— leaves like www.yardandgarden.extension.iastate.edu

Scarlet Runner Bean (Phaseolus coccineus) Reiman Gardens— Full sun; moist, well-drained soil; 10 to 15 www.reimangardens.iastate.edu feet; twines; scarlet flowers; dark green leaves in sets of three; edible beans Prepared by Cindy Haynes, extension horticulturist; Cindy Sobaski, horticulture student; and Diane Purple Bell Nelson, extension communication specialist. (Rhodochiton␣ atrosanguineum) Illustrations by Mark Müller. Full sun to part shade; average well-drained soil; up to 10 feet; File: Hort & LA 2-1 tendrils; tubular, deep purple . . . and justice for all The U.S. Department of Agriculture (USDA) prohibits discrimination in flowers; heart-shaped leaves; start all its programs and activities on the basis of race, color, national origin, gender, religion, age, disability, political beliefs, sexual seeds indoors; may be overwin- orientation, and marital or family status. (Not all prohibited bases tered indoors apply to all programs.) Many materials can be made available in alternative formats for ADA clients. To file a complaint of discrimina- tion, write USDA, Office of Civil Rights, Room 326-W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC Black-eyed Susan Vine (Thunbergia alata) 20250-9410 or call 202-720-5964. Part shade to full sun; moist, well-drained soil; Issued in furtherance of Cooperative Extension work, Acts of May 8 3 to 6 feet; twines; creamy white, yellow, or and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Stanley R. Johnson, director, Cooperative Extension orange flowers with black eye; tooth-edged Service, Iowa State University of Science and Technology, Ames, Iowa. oval to triangular leaves RG 317 Revised April 2004 Using annual vines Twining vines wind their stems around any Annual vines grow quickly and bloom profusely available support—usually in a clockwise Ipomoea Hints in one summer. They can camouflage unsightly direction. They need predominantly vertical All members of the family fences or walls, accent pleasing architecture, or supports as well as are twiners that may grow vigorously in soften harsh structural lines—and at the same horizontal supports good conditions and are inclined to self time add color, texture, and height. Vines are every 8 to 12 inches sow. They prefer warm weather and do not ideal for creating a temporary, natural screen for their side branches. tolerate frost. For earliest flowers, start for privacy or against sun, wind, or unattrac- Twining vines tend to seeds indoors in peat pots after first nicking tive views. They also can create a welcoming have more vigorous the seeds and soaking them overnight. Use habitat for birds, bees, and butterflies. growth habits than peat pots to reduce transplant shock. tendrilled vines and may Supporting annual vines need pruning. prickly leaves (to which some people are Trellises, arbors, and other support structures sensitive); cone-like greenish flowers; varigated can be made from netting, twine, metal, PVC Suggested annual vines form available; readily self sows pipe, decay-resistant wood, and rustproof wire, Climbing Snapdragon (Asarina antirrhinifolia such as plastic-coated or copper electrical wire. and A. scandens) Moonflower () Structures should be placed far enough away Full sun; prefers well-drained soil and tolerates Full sun; fertile, well-drained soil; up to from buildings to allow air circulation and sandy soil; up to 8 feet; twines; purple, white, 10␣ feet; large, white flowers open at night; should be positioned before vines are planted. or rose-pink flowers late in season; ivy-like wide, heart-shaped leaves leaves; start seeds indoors Vines tend to flower mostly along the top Scarlet Starglory () growth, leaving an area of leggy stem exposed Balloon Vine (Cardiospermum halicacabum) Also called red or crimson morning glory; full at the ’s base. For better bloom distribu- Also called love-in-a-puff; full sun; average garden sun; fertile, well-drained to sandy soil; up to tion and to prevent the plant from sagging, soil; up to 10 feet; tendrils; tiny white flowers 10␣ feet; small, red, funnel-shaped flowers with fasten young shoots horizontally along support followed by balloon-like seedpods; seeds have a yellow throats; large heart-shaped leaves structures. This encourages to form low, white, heart-shaped mark; three-part leaves lateral shoots that will flower. Fasten the vines Cardinal Vine, Climber (Ipomoea × sloteri) using strong, stretchy materials in a figure- Cup-and-Saucer Vine Full sun; porous, fertile to sandy soil; up to eight pattern, with the crossed portion sitting (Cobaea scandens) 10␣ feet; small, bright red flowers attract between the stem and the support. Full sun or part shade; ; fern-like leaves moist, well-drained soil; up Most annual vines climb by using tendrils or to 25 feet; tendrils; purple Morning Glory (, I. purpurea, by twining. Tendrils are slim, flexible stems or flowers; start indoors by I.␣ tricolor) modifications that can quickly wrap them- setting flat seeds on edge Full sun; well-drained to sandy soil; 8 to 10 selves around anything in moist planting medium feet; purple, blue, pink, or white flowers open they come in contact in morning and close in afternoon; large, with to support the Hyacinth Bean (Lablab purpureus) heart-shaped leaves vine for further growth. Full sun to part shade; well-drained soil; up to Tendrils curl because 10␣ feet; twines; purple-green leaves with Cypress Vine cells on one side of the fragrant purple flowers followed by shiny (Ipomoea␣ quamoclit) stem grow faster— pods; edible beans; grows best in hot weather Full sun; light fertile soil how much faster determines that is moist but well-drained; the tightness of the curl. Vines Japanese Hops Vine (Humulus japonicus) up to 20 feet; star-shaped, that have tendrils appreciate narrow horizontal Full sun to part shade; average garden soil; up bright red flowers; feathery, supports. They also do well on netting or grids. to 25 feet; twines; dark green, deeply lobed, fern-like leaves