You can select the two columns, right-click to create a new formula column:
I am trying to put the time column and Seed# column together and when I do what you suggest it messes up the time input (see Concatenate column).
Your Time column is a JMP Time column, which is measured in the number of seconds since midnight. Thereroe, you need to convert it to a meaningful/displayable value. This formula does it pretty well.
format(time,"hr:m") || " " :seed #
"12:00 21"