When I planted it, I envisioned it trailing gracefully around the vertical bars of the railing and showing off it's super red flowers. But, as you can see, it has gone crazy and now when I look at it, it reminds me of a horror movie where some plant (or spider web) takes over the house, killing all the occupants.
I planted a couple other seedlings in containers, but they did not do well at all. Instead of "trailing", they are just sticking straight up out of the container, only a couple of inches tall, wondering where the hell they are.
Have you had success with Cardinal Vine in containers? What's your secret?