are rose hips viable from a knockout rose?

Question

Can I harvest them when they are green?

Answer 1

Here is an article for you on this subject, they need to be ripe for most uses and not still green. Link: https://www.gardeningknowhow.com/ornamental/flowers/roses/rose-hip-information.htm

and this one too: https://www.gardeningknowhow.com/ornamental/flowers/roses/harvesting-rose-seeds.htm