This little vine, Ipomoea quamoclit, is related to morning glory. In our zone 5 Chicago garden, it has reseeded itself from last year, and I am quite happy to see it has. The delicate fine fern leaves and small trumpets of red are quite endearing and attractive to butterflies and hummingbirds. Some gardeners have found it invasive, especially in the southern zones*. Northern gardeners experience, as well as my own, is that it’s slow growing during the summer; and then once the shortened days of fall come, it bursts into action. It times perfectly with mums and asters and helps cover up some of the annuals that are way past their prime. If you are concerned about planting a member of the morning glory family in your garden, consider planting it in part shade to keep it under control.
*Please if you live in Arizona or Arkansas, do not plant any Ipomoea, it’s a noxious weed according to USDA.