Bi color is not very invasive in most environments. It is easily maintained however.
I would not recommend planting it in West Texas or Oklahoma. It will do very well in prairie environments, maybe to well. Large numbers of cattle or deer feeding heavily on it in the fall can kill it but that can kill almost any grass or forb. Bicolor is very attractive to bees, especially during the summer when little else is in bloom. Bicolor lespedeza is a legume that will enrich the soil just like clover or peas will.
Good luck, old Robert White needs a lot of help. I used to be able to call two or three bleep birds a day up to my back porch with just my lips, now I almost never even hear one. The bleep bird call also seems to have changed from 2 bobs and a white to just one bob followed by a single “white”.