morning glories

Question

will they come back each year? we had beautiful ones last year, but the vines look brown and dead. we were told they would come back.

Answer 1

Morning Glory is generally grown as annuals or tender perennials in colder regions.
They will grow as perennials in warmer climates.
The can reseed themselves easily and can become invasive.

Your plant likely did not winter over in Ohio.

https://www.gardeningknowhow.com/ornamental/vines/morning-glory/growing-morning-glories.htm