Should I prune impatiens now?

Borderline - zone 9 or 10. They're still blooming. I let 'em get leggy - oops. Should I prune now? How much should I remove? They are in pots, not in the ground. They are mostly in partial sun this time of year.
Thanks. Original Black Thumb here.....

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Site Timeline is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.