It's most likely a variety called Fireglow. It's an All America Winner. Stokes is one source, and they also sell things like statice and strawflowers in single-color packets as well as mixes. In Stokes's catalog, choose "annuals" then "Celosia cristata" then "tall" to get to a description.

Here is a link that might be useful: Stokes

They could be crista, bombay, enterprise, krume, or cramer's. They should be going to seed by now. Stop and ask to harvest a few seed or buy some flowers.

Bryan