Check out this video of my butterfly weed 🦋 in bloom with some plant highlights and growing tips 💚 ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-w6p-0_6NGIA.htmlsi=OsENdjxAaPR8uhHY
Hi Vanessa, I would think they wouldn't fight too much. Butterfly weed has a tap root, so it won't spread too readily and take over the clematis. I think they would work well together :)