My parents are white south African but my sister and I were born in Australia and we drank tea whenever we visited …. It’s so nice that now you can get Rooibos in Australia and all over the world!
It’s really nice if you brew it on the stove for a good 5+ minutes before serving, it doesn’t become bitter like other teas, and doesn’t usually require sugar as it has naturally occurring sugars. Delicious!
I can't think of any it would be specifically beneficial for Crohn's, but I found the following info online if you’re interested:
Source: South African Rooibos Council