Sweet Caroline Sweetheart Lime Sweet Potato Vine (Ipomoea) Live Plant, Lime Green Foliage, 4.25 in. Grande Sweet Caroline Sweetheart Lime has lime green foliage. It is heat tolerant and very adaptable, working in both sun and shade conditions. Tolerates sun or shade. Grows to be 6-16 inches tall and 1.5-3 feet wide. It can trail up to 1.5 feet. Annuals are 5-10 inches tall when they are shipped. Hardiness Zone: 11. Be sure to check your USDA Hardiness Zone if you want this plant to come back year after year. Hand-picked by experienced shippers and delivered fresh from the greenhouse in a 4.25 in.grande container. Proven Winners guarantees all of its plants are correctly packaged in specially designed boxes, arrive in good condition and are accurately labeled. This ipomoea works great in landscapes as a groundcover plant, as well as in combinations and containers by themselves. To introduce the most unique, highest quality plants, Proven Winners are tested for years in gardens across the world. Our plants are unsurpassed in terms of flowering, growth and garden performance.